Valli Aqua And Process Instruments
Valli Aqua And Process Instruments
Ambattur Industrial Estate, Chennai, Tamil Nadu
GST No. 33AGLPV5232E1ZE
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Process Instruments

As one of the leading traders, wholesalers and suppliers in this domain, we offer an extensive range of Process Instruments. These instruments are precisely designed using cutting edge technology and high quality raw material by our reliable vendors. Owing to their features like precise dimension, fine finish and longer service life, these instruments are widely used in various industries. Further, these instruments are available at the most reasonable prices.

Digital Differential Pressure Gauge 990M(Manual zero adj)-990A(Auto Zero Adj)

Digital Differential Pressure Gauge 990M(Manual zero adj)-990A(Auto Zero Adj)
  • Digital Differential Pressure Gauge 990M(Manual zero adj)-990A(Auto Zero Adj)
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Approx. Price: Rs 18,500 / UnitGet Latest Price
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Product Details:

BrandBeck GmbH
Measuring Range0 to 1000 mmWC
Model Name/Number990 M-990 A
Usage/ApplicationCement,Power Industry,Pollution control,Glass Industry,Biomass,Gasification etc.
MaterialAluminium
ConnectionBack entry
Display Typeled
Typepanel mounting
ColorBlack
Scale Range0 to 1000 mm WC
Accuracy+-1% FS,min. +-1 Pa
FeaturesFeatures: Min. pressure range 0-25 Pascal and max. pressure up to 0-2.5 bar (Other as per customer r
Temperature0 to + 50 Degree C
Weightapprox. 230 g
Power18 ... 30 VAC / VDC
Ambient Temperature-10 ... 70 DegreeC
Protection RatingIP20
Type Of Pressuregas
Switch Controls two adjustable potential-free switching outputs with a maximum switching capability of 50VAC/5A (S
MountingCan be mounted in any position.
Over Range Protection200%
Thread ConnectionScrew terminals for wires and strands
Pressure Connection4 mm and 6 mm hose connection
Storage Temperature-10 to + 70 Degree C
Tube4 mm and 6 mm hose connection
Media CompatibilityOnly gas
Warrantyone yesr

The differential pressure gauges 990 Display are for air and non-aggressive gases and will be used to measure differential pressure, overpressure and vacuum. They offer one adjustable pressure range and two output signals, which can be selected in the menu. The type 990M has a manual zero offset calibration, the type 990A has an automatic zero offset calibration. Monitoring of air and non-aggressive gases.

Features:
  • Min. pressure range 0-25 Pascal and max. pressure up to 0-2.5 bar (Other as per customer requirement)
  • Adjustable pressure range To adapt the instrument to the application, the factory-set pressure range can be modified in the menu in a range from 100% to 50% of its full scale value.
  • Switchable output signal 0-10V or 4-20mA, easy to switch in the menu. Further values on request.
  • Switchable pressure units The instrument offers three different pressure units to show in the display, which can be selected in the menu. Factory setting is Pascal (kPa), which can be changed to mmWC, mbar or inWC.

Applications:
Monitoring of gaseous, non-combustible and non-aggressive Media. Possible usage areas are: 
  • Building automation and air conditioning systems
  • Overpressure measurement in clean rooms and laboratories 
  • Measurement of constant pressure in VAV applications
  • Dynamic filter and ventilator monitoring
  • Bag-filter (Dust collector) application
  • AHU''s application

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  • Delivery Time: Ready stock
  • Packaging Details: Box packing
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Vacuum Transmitter

Vacuum Transmitter
  • Vacuum Transmitter
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Approx. Price: Rs 11,500 / PieceGet Latest Price

Product Details:

Minimum Order Quantity1 Piece
Usage/ApplicationVcuum Industry,Food and bevarage Industry,Pharmaceutical,Paper Industry
Model Name/NumberEQ-PT 700 V
Voltage12 TO 30 VDC
Accuracy+/-0.5 % FS
Operating Range0 TO 1000 mbar
BrandEQUINOX
Model Number/NameEQ-PT-700V
Depth136 mm
Height46 mm
Product Weight250 grams
Rated Supply Voltage12 to 30 VDC
Response Time10 m/sec
Width27 mm
Output Type4 to 20 mA
Input Pressure10000
Output Voltage4 to 20 mA

Specifications:

  • Output Signal : Current : 4...20mA
  • Pressure Range 1,2.5,4,6,10,16,25,40,60,100,160,250,400 and
  • 600 absolute bars 1,2.5,4,6,10,16,25,40,60 relative bars
  • Operating Temperature : –30...+80ºC
  • Span & Full Scale Adjustment : ±10%
  • Accuracy (linearity, Hysteresis & Repeatability) : £ ± 0.4% F.S
  • Process Connection :¼" BSP male
  • Electrical Connection : 3/4 -pole faston male connector + DIN 46350 female connector (outlet)

 

 

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DIN Rail Mounted Temperature Controller

DIN Rail Mounted Temperature Controller
  • DIN Rail Mounted Temperature Controller
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Approx. Price: Rs 6,250 / PieceGet Latest Price

Product Details:

Minimum Order Quantity1 Piece
Model Name/NumberEQ 211
BrandEqinox
Temperature Range-199.9 to 2320 degree C
Usage/ApplicationUniversal Input PID Process Controller
VoltageAC 85 TO 265 V
Accuracy+/-0.2% FS +/-1 digit
Controller Function TypePID
TypeDigital
ColorGrey
Display TypeLED
Input SensorUniversal signal
Control ActionPID
Control OutputRelay
WarrantyOne year
No Of Alarm Modes1
Type of controllerTemperature Controller

Features :
  • Adjustable temperature offset value-ON / OFF Temperature control
  • Selectable Heating or Cooling function-Relay or SSR Driver output

Other details:

  • PTC: PTC 1000 (1000W@25ºC)
  • Thermocouple (TC): J, K (IEC 584.1) (ITS90)
  • Thermo-resistance (RTD): 2-wire PT 100, PT 1000 (IEC 751) (ITS90)
  • Accuracy: ± 1% of scale-Cold Junction

Control Output:
  • Relay (5A@250V~ at resistive load) or Operating Temperature: 0-50ºC
  • Humidity : 0-90%RH (non-condensing)
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Differential Pressure Transmitter

Differential Pressure Transmitter
  • Differential Pressure Transmitter
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Approx. Price: Rs 7,850 / eachGet Latest Price
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Product Details:

Usage/Applicationair, all non-aggressive and non-flammable gases
Model Name/NumberPS 17
BrandHalstrup Walcher GmbH
Voltage24 VAC/DC 50/60 Hz +-10%reverse pole protection AC/DC
Accuracy+- 1% of the set value
Operating Range50/100/200/500 Pa-1/2.5/5/10kPa
Depth65 mm
Height103 mm
Product Weight200 grams
Protection TypeIP 67

Pressure transmitter for measuring ± and asymmetric pressure differentials in standard applications.

 

Special features:

  • Measurement ranges (also ±) others available upon request 50/100/200/500 Pa & 1/2.5/5/10 kPa
  • Robust ABS housing with protection class IP 67 for mounting on top-hat rails or a wall (with just 2 screws)
  • Comes with either a defined measurement range or with the option of alternating between 4 measurement ranges
  • Adjustable output signal 0/2-10 V or 0/4-20 mA
  • Adjustable output signal attenuation of up to 10 s
  • LC display (optional)
  • Can be calibrated
  • Zero-point calibration via an external voltage signal lowers maintenance requirements.
  • An adjustable limit switch allows users to connect equipment such as fans or signalling devices, and eliminates additional switching processes (optional).


Applications: 
Monitoring of gaseous, non-combustible and non-aggressive Media. Possible usage areas are: 

  • Building automation and air conditioning systems
  • Pharma machine application for Differential pressure & Air flow measurement 
  • Textile machine application - Carding, Draframe, Ringframe, Blowroom
  • Bag-filter (Dust collector) application
  • Draft pressure measurement in furnace, blower & boiler 


Other Details:

  • This pressure transmitter is particularly well suited for monitoring filters and pressures in HVAC (heating, ventilation and air conditioning) applications.
  • DIP switches allow users to configure the output signal and switchable measurement ranges (optional). Settings provide an option for conversion to a root-extracted output signal (displayed as a % of the maximum output value). An internal button is also available for performing a zero-point correction or fine-tuning the end value.
  • An optional display allows users to read the measured value directly on site in Pa or kPa. With an optional time constant (up to 10s), the instrument can produce an attenuated output signal, even under unstable pressure conditions. An optional two-wire version of the device is also available for reducing wiring complexity. In addition to simple wall-mounting with just 2 screws, the PS 17 is also suitable for mounting on top-hat rails.
  • The device is also available with an optional ISO-compliant factory calibration certificate or a DAkkS-accredited calibration certificate.
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Additional Information:

  • Delivery Time: 4-6 working weeks
  • Packaging Details: Box packing
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Pressure Transmitter

Pressure Transmitter
  • Pressure Transmitter
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Approx. Price: Rs 4,500 / PieceGet Latest Price
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Product Details:

Minimum Order Quantity1 Piece
Usage/ApplicationMonitoring of gaseous, non-combustible and non-aggressive media
Model Name/NumberEQ PT 1000
Voltage9... 30 VAC / VDC
Accuracy0.25% FS
Operating Range0.2,6,10,16,25,40,100,160,250,400.600 bar
BrandEquinox
Model Number/NameEQ PT 1000
Depth105 mm
Height46 mm
Product Weight165 grams
Protection TypeIP 65
Rated Supply Voltage24 VDC
Response Time10 ms
Supply Voltage Limits30 VDC
Width26 mm
Output TypeAnalog
Input PressureO TO 700 Bar
Output Voltage4 to 20 mA

Other Details:

  • Ceramic sensing element
  • Shock Resistant and Vibration Resistant
  • High Accuracy, High Stability
  • Wide Operating Temp. Range of -40 to 125 Degree C
  • Output Signal: 4-20 mA

Specifications:

  • Measuring Range: Refer Table-A
  • Overload Pressure: 1.5 Times the rated value
  • Output Signal: 4 to 20mA
  • Supply Voltage 9 to 30 V DC
  • Accuracy: + / - 0.5 % F.S.
  • Long-term: Stability: +/- 0.2 % FS/ Year
  • Overload Resistance 50 (V -12 )W
  • Temp. Coefficient: 1 x 0.0001 Degree C. F.S.
  • Response Time: 10 ms
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  • Item Code: EQ-PT1000
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Temperature And Humidity Controller

Temperature And Humidity Controller
  • Temperature And Humidity Controller
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Approx. Price: Rs 6,750 / PieceGet Latest Price

Product Details:

Minimum Order Quantity1 Piece
Model Name/NumberTRH-101-2S
Temperature Range0 TO 110 Deg c
Usage/ApplicationTo control temperature and humidity in Clean room,Chamber etc.
Voltage230 VAC
AccuracyTem: 0.25%--Humidity 3%
TypeDigital
Size96*48 mm
Colorblack
Display TypeLED
Input SensorTemperature and humidity sensor
Control ActionON-Off
Control OutputRelay
Humidity0 to 100%

This Micro Controller Based Instrument is basically a two channel
process controller, which accepts two 4~20mA current inputs and
display their corresponding process values of RH and Temperature
It has two individual control set points, for each channel with a variable
hysterisisI.n the normal mode, the user can set the control set point for
both channelsa nd their correspondinhgy sterisis.
SPECIFICATIONS:
Display Type 3½ Digit Red LED
Range 0 to 100% RH ; 0 to 110°C (other range optional)
Accuracy ± 0.25%
Resolution 0.1% RH 0.1°C
Input 4~20mA inputs ×2 channels for RH and Temperature
Set Points Dual control set points for RH and Temperature
with relay output
Hysterisis 10% of Range
Control Action Set able for Heating / Cooling logic.
Auxiliary Power Supply 24V DC
Memory EEPROM memory with 100 years memory retention
Supply 230V AC, ± 10%, 50Hz.
Cutout Size 92mm(W) × 92mm(H)
Overall Size 96mm(W) × 96mm(H) × 115mm(D)
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Differential Pressure Transmitter 985 M(Manual Zero Adj)-985 A(Auto Zero Adj)

Differential Pressure Transmitter 985 M(Manual Zero Adj)-985 A(Auto Zero Adj)
  • Differential Pressure Transmitter 985 M(Manual Zero Adj)-985 A(Auto Zero Adj)
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Approx. Price: Rs 22,500 / UnitGet Latest Price
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Product Details:

Minimum Order Quantity1 Unit
Usage/ApplicationMonitoring of gaseous,non-combustible and non-aggressive media.
Model Name/Number985 M--985 A
BrandBeck GmbH
Voltage18...30 VDC
Accuracy+-1% FS,min. +-1 Pa
Operating RangeFor: 985 M(-50 pascal to 100 kpa)--for P85 A-(-25 pascal to 50 kpa
Depth41 mm
Height83 mm
Product Weightdepend up on model
Protection TypeIP65
Rated Supply Voltage18...30 VDC
Response Time0.2 s and 1 s (standard)
Width81 mm
Output TypemA and vdc

General description :
The differential pressure transmitters of the 985 series are used to measure differential pressure, overpressure and vacuum. They provide up to 8 pressure ranges and 2 output signals, which are easily selectable by jumper or rotary selector switch.
Applications :
Monitoring of gaseous, non-combustible and non-aggressive media. Possible usage areas are: · Building automation and air conditioning systems · Overpressure measurement in clean rooms and laboratories · Measurement of constant pressure in VAV applications · Dynamic filter and ventilator monitoring
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  • Delivery Time: Ex Stock
  • Packaging Details: Box Packing
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Absolute Pressure Transmitter

Absolute Pressure Transmitter
  • Absolute Pressure Transmitter
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Approx. Price: Rs 11,000 / PieceGet Latest Price
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Product Details:

Minimum Order Quantity1 Piece
Usage/ApplicationAbsolute pressure (Vacuum)Measurement
Model Name/NumberEQ - PT 700A
Voltage12- 30 VDC
Accuracy+/-0.5%FS
Operating RangeAbsolute to 1000( In between any range )
BrandEquinox
Model Number/NameEQ PT 700A
Depth136 mm
Height27 mm
Rated Supply Voltage12 to 30 VDC
Response Time10 m sec
Supply Voltage Limits30 VDC
Output Type4 to 20 mA
Input Pressure (Pascal)Abs to 2 bar
Output Voltage4 to 20 mA

Specification:
  • Measuring Range: 0.1 to 1000 Bar
  • Accuracy : £ ± 0.5% F.S (including Linearity, Repeatability & Hysterics)
  • Long Term Stability: ± 0.2% f.s
  • Output: 4 ~ 20mA
  • Over Pressure: 2.5 full times scale
  • Span & Full Scale Adjustment: ± 10%
  • Response Time: 10m/Sec
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Differential Pressure Transmitter

Differential Pressure Transmitter
  • Differential Pressure Transmitter
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Approx. Price: Rs 7,850 / EachGet Latest Price
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Product Details:

Usage/ApplicationMonitoring of gaseous, non-combustible and non-aggressive media
Model Name/Number982 R
BrandBeck GmbH
Voltage18 ... 30 VAC / VDC
Accuracy+-1% FS, min. +-1 Pa
Operating Range0 to 500 pascal(in between any range)-0 to 100 kap(In between any range
Depth30.5 mm
Height96 mm
Product Weight50 grams
Protection TypeIP54 with protection cover

The differential pressure transmitters of the 982R series are used to measure differential pressure, overpressure and vacuum. They provide one adjustable pressure range and one output signal. Monitoring of gaseous, non-combustible and non-aggressive media.

The end of the pressure range can be reduced to 50% of its factory set full scale value simply by the use of a push-button.


Applications:

  • Building automation, air conditioning and clean room technology
  • Valve and flap control
  • Filter, fan and blower monitoring
  • Control of air flows
  • Medical equipments


Features:

  • Adjustable pressure range: The end of the pressure range can be reduced to 50% of its factory set full scale value simply by the use of a push-button.
  • Output signal:0-10 V or 4-20 mA. Other signals on request.
  • Easy offset calibration: The output signal can be calibrated to zero by pressing the push-button (pressure transmitter must be depressurised).
  • Configurable response time: The response time of the output signal can be configured using a jumper. If the jumper is in place the response time is slow (factory setting), which is useful for suppressing brief pressure peaks. If the application requires a fast response time the jumper must be removed.
  • Volume flow measurement (optional): The shape of the output signal can be programmed to square root by the factory.
  • Reset: The transmitter can be reset to its factory setting, just by pressing the push-button for >10 sec.
  • Measuring method: Piezoresistive pressure transducer

 

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  • Item Code: 982R
  • Delivery Time: 4-5 working weeks
  • Packaging Details: OEM box packing
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Differential Pressure Transmitter

Differential Pressure Transmitter
  • Differential Pressure Transmitter
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Approx. Price: Rs 22,500 / eachGet Latest Price
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Product Details:

Usage/Applicationair,all non-aggressive gases application
Model Name/NumberPS27
BrandHalstrup Walcher GmbH
Voltage24 VAC/DC 50/60 Hz +-10%reverse pole protection AC/DC
Accuracy+- 2% of the set value
Operating Range50/100/200/500 Pa & 1/2.5/5/10/20/50/100 kPa
Depth76 mm
Height102.5 mm
Product Weight750 grams
Protection TypeIP 65

Compact differential pressure transmitter for positive or negative differential pressures in basic applications.

Special features:

  • Suitable for top-hat rail mountingand wall surface installation 
  • Selectable output signal 0/2-10 V, 0/4-20 mA or 0-5 V
  • Selectable attenuation of the output signal of up to 4 s (optional)
  • Display (optional)
  • Can be calibrated
  • Zero-point calibration via an external signal reduces maintenance costs
  • The adjustable limit switch permits the connection of, e.g. ventilators or signalling devices, and saves additional wiring (optional)

Applications: 
Monitoring of gaseous, non-combustible and non-aggressive Media. Possible usage areas are: 
  • Building automation and air conditioning systems
  • Pharma machine application for Air flow measurement 
  • Textile machine application - Carding, Draframe, Ringframe, Blowroom
  • Bag-filter (Dust collector) application
  • Draft pressure measurement in furnace, blower & boiler 
  • This compact differential pressure transmitter is particularly suited to filter and pressure monitoring applications in the heating, air-conditioning and ventilation industries. An optional display allows measurement values to be read directly on-site in Pa or kPa. An optional time constant (up to 4s) allows the instrument to generate an attenuated output signal, even under fluctuating pressure conditions. To reduce wiring costs, the instrument is also available in a version with two-wire technology (optional). The PS27 can be mounted either on a wall or on top-hat rails.
  • The instrument is available with an ISO factory calibration or DAkkS-accredited calibration certificate (optional).
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  • Delivery Time: Ready stock
  • Packaging Details: Box packing
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On Line Dissolved Oxygen Controller

On Line Dissolved Oxygen Controller
  • On Line Dissolved Oxygen Controller
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Approx. Price: Rs 1.2 Lakh / SetGet Latest Price
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Product Details:

Minimum Order Quantity1 Set
Usage/ApplicationIndustrial boiler inlet water,Sea food feeding Industries
Weight250 grams
DisplayLCD
BrandEQUINOX
ModelEQ-DCT-8600, EQ-DCT-8600
ApplicationLaboratory, Industrial boiler inlet water,Sea food feeding Industries, Industrial
Resolution0.01mg/L
Automation GradeSemi-automatic
Accuracy+/-2%
Range0.0 TO 20.00 mg/L
Temperature0.0 TO 40 deg c
Voltage24 VDC
Power Supply24 VDC
Dimension96 X 96 X 94 mm
Operating Temp.0 to 50 deg c
Is It ISO CertifiedNon Certified
Warrantyone year
I Deal InNew Only

DISSOLVED OXYGEN CONTROLLER
MODEL: EQ-DCT-8600
ITEM DESCRIPTION
RANGE: 0 TO 20.00 mg(L)
Temperature range: 0 to 40 DegreeC
Stability: 0.1mg(L)
Temperature :0.2 DegreeC
Analog Output: Double channel( 4 to 20 mA)
Instrument/Transmitter mode for selection
Control Output: Trible CH Photo-Electric conductor relay
load capacity: AC/DC 30 V,50 mA(max)
POWER SUPPLY: 24 VDC
PROTECTION LEVEL: IP 65(with back cover)
Dimension: 96 x 96 x 94 mm(Depth)
Installation: : Panel mountable
Basic order:
EQ -DCT-8600 Dissolved oxygen on line transmitting controller
D0 3135-23Z Membrane covered DO probe
DO 1150 Two-Wire DO transmitter
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Differential Pressure Transmitter DPT-R8

Differential Pressure Transmitter DPT-R8
  • Differential Pressure Transmitter DPT-R8
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Approx. Price: Rs 6,500 / eachGet Latest Price
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Product Details:

Usage/Applicationfor building automation in the HVAC/R industry
Model Name/NumberDPT-R8
BrandHK Instruments-Finland
Voltage24 VAC or VDC, +-10 %
AccuracyModels 250 and 2500: Pressure < 125 Pa = 1 % + +-2 Pa Pressure > 125 Pa = 1 % + +-1 Pa Model 7000:
Operating RangeMeasuring ranges: (1.) 250: -150 to +150/ -100 to +100/ -50 to +50/ -25 to +25/ 0 to 25/ 0 to 50/ 0
Depth36 mm
Height95 mm
Product Weight150 grams
Protection TypeIP 54
Rated Supply VoltageInput: 24 VAC or VDC, +-10 %
Response Time8.0 s or 0.8 s, selectable via jumper
Supply Voltage Limits24 VAC or VDC, +-10 %
Width95 MM
Output TypeOutput: 0-10V--Output: 4-20 mA

Field adjustable, multi-range differential pressure transmitters for air. DPT-R8 series differential pressure transmitters are engineered for building automation in the HVAC/R industry. The most technologically advanced transmitters on the market measuring static and differential pressure, with field selectable units, range and output, all in a single device. 


Measuring ranges:

(1.) 250: -150 to +150/ -100 to +100/ -50 to +50/ -25 to +25/ 0 to 25/ 0 to 50/ 0 to 100/ 0 to 250 Pascal
(2.) 2500: -100 to +100/ 0 to 100/ 0 to 250/ 0 to 500/ 0 to 1000/ 0 to 1500/ 0 to 2000/ 0 to 2500 Pascal
(3.) 7000: 0 to 1000/0 to 1500/0 to 2000/0 to 2500/0 to 3000/0 to 4000/0 to 5000/0 to 7000 Pascal

DPT-R8 series devices include: 
  • Multiple measurement units, field selectable via jumper, including: inWC, mmWC, Pa, mbar.
  • 8 field selectable measurement ranges, unidirectional or bi-directional, selectable via jumper.
  • Proportional output options including: voltage (0–10 V) and current (4–20 mA).

DPT-R8 series device options offer:

  • AZ (autozero) function for automatic zero point calibration, eliminating the need for periodic manual autozeroing to ensure long term accuracy
  • Backlit display
  • Field adjustable span point calibration (i.e. gain)

DPT-R8 series devices are commonly used in HVAC/R systems for:
  • Fan, blower and filter monitoring
  • Pressure and flow monitoring
  • Valve and damper control
  • Pressure monitoring in cleanrooms
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  • Delivery Time: Ready stock
  • Packaging Details: Box packing
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Differential Pressure Transmitter DPI

Differential Pressure Transmitter DPI
  • Differential Pressure Transmitter DPI
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Approx. Price: Rs 14,500 / eachGet Latest Price
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Product Details:

Usage/Applicationfor building automation in the HVAC/R industry.
Model Name/NumberDPI
BrandHK Instruments-Finland
VoltageWithout autozero: 21-35 VDC/ 24 VAC, +-10 % With autozero: 24 VAC or VDC, +-10 %
Accuracy+-1.5 % (+-0.7 %*) %FS from highest pressure range
Operating Range-100 ... 100 / -250 ... 250 / -300 ... 300 / -500 ... 500 Pascal
Depth37.1 mm
Height86.5 mm
Product Weight150 grams
Protection TypeIP 54
Rated Supply VoltageWithout autozero: 21-35 VDC/ 24 VAC, +-10 % With autozero: 24 VAC or VDC, +-10 %
Response Time0.5-10 s, selectable via menu Technical Specifications
Supply Voltage Limits35 V
Width89 mm
Output TypeAnalog: 0-10 V Relay 1: 250 VAC / 30 VDC / 6 A Relay 2: 250 VAC / 30 VDC / 6 A Adjustable switching

Electronic differential pressure switch and transmitter

The DPI series electronic pressure measuring devices are engineered for building automation in HVAC/R industry. The most technologically advanced and versatile electronic differential pressure switches on the market, combining up to two relay outputs and 0-10 V output options.

 

The DPI includes the following field selectable features:

  • Configurable switching point: Open on rise or fall in pressure hysteresis of setpoint
  • Measurement units (Pa, kPa, mmWC, inWC, mbar)
  • Measurement range (4 ranges per model)
  • Output signal (0-10 V, NO/NC)
  • Span and zero point calibration
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Additional Information:

  • Item Code: DPI
  • Delivery Time: 3-4 working weeks
  • Packaging Details: Box packing
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Differential Pressure Transmitter P26

Differential Pressure Transmitter P26
  • Differential Pressure Transmitter P26
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Approx. Price: Rs 96,900 / eachGet Latest Price
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Product Details:

Usage/ApplicationHigh precision differential pressure transmitter for air-conditioning, cleanroom and process
Model Name/NumberPS 26
BrandHalstrup Walcher GmbH
Voltage24 VDC/VAC+-10 %
Accuracy+-0.2% FS or +-0.5% FS
Operating Range10/50/100/250/500 Pa 1/2.5/5/10/20/50/100 kP
Depth76 mm
Height102.5 mm
Product Weight750 grams
Protection TypeIP65, with USB: IP40
Rated Supply Voltage24 VAC or VDC, +-10 %
Response Time25 ms
Supply Voltage Limits24 VAC or VDC, +-10 %
Width164 mm
Output Type4-20 mA and 0-10 V

Differential pressure transmitter with scalable measuring range and a high level of overpressure protection

Special Features:
 
  • High level of accuracy and long-term stability through automatic zero-point calibration
  • Measurement of differential pressure or volumetric flow / flow rate possible
  • Easy configuration of the measuring range, analog output, time constants and units via PC or keyboard (optional)
  • USB interface (optional)
  • Display with keyboard for configuration of the pressure transmitter (optional)
  • Multilingual menu (English/German/Italian/French)
  • Suitable for top-hat rail mounting and wall surface installation
  • 2 floating switching relays (optional)
  • Integrated power adapter for 115/230 VAC power supply
  • Silicon-free materials for parts in contact with medium
  • Output signal can be configured 0-10 V, 0/4-20 mA or ± 5 V
  • Selectable attenuation of the output signal from 0-60 s
  • Can be calibrated
  • Highly stable measurements thanks to cyclical self-calibration of the zero point
  • High level of overpressure protection even in the smallest measuring ranges

Optional:
  • Contact points with adjustable switching outputs
  • Set the zero-point via an external interface
  • USB interface 
  • Air meter function 

Other Details:

  • The P 26 differential pressure transmitter is designed for pressure monitoring applications in cleanrooms, laboratories, pharmaceutical plants and operating theatres as well as for special uses in machine and plant construction. As well as measuring the differential pressure, the instrument also records positive and negative overpressures as well as flow rates or volumetric flows.
  • The measuring range is scalable in the range from 10-100 %. Two optional contact points allow the user to connect visual or audible alarms that are triggered any time values rise above or fall below specified limits. The transmitter can be configured easily via an USB interface (optional) with software. This can also be performed using a keyboard and display (optional). The measured values can be displayed in all standard units. A selectable time constant allows the transmitter to be adjusted perfectly to the pressure conditions and thus ensures a stable output signal. The P 26 can be mounted either on a wall or on top-hat rails.
  • The instrument is available with an ISO factory calibration or DAkkS-accredited calibration certificate (optional).
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  • Delivery Time: 4-5 working weeks
  • Packaging Details: Box packing
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Flush Diaphragm Pressure Transmitter

Flush Diaphragm Pressure Transmitter
  • Flush Diaphragm Pressure Transmitter
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Approx. Price: Rs 13,250 / PieceGet Latest Price
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Product Details:

Minimum Order Quantity1 Piece
BrandEquinox
Model Number/NameVAP-PT 300-2
Input Pressure (Pascal)50000
SensorSilicon
Output4 ~ 20mA

Features:
  • Excellent Linearity & Long Term Stability
  • Rugged & Reliable under most conditions
  • Protection of Reversed Circuit
  • SS Body Construction
  • Explosion Proof (Optional)

Applications:
  • Food & Beverage Industry
  • Water Treatment
  • Chemical Industry
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Filsa Pendulum Level Switch

Filsa Pendulum Level Switch
  • Filsa Pendulum Level Switch
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Product Details:

Minimum Order Quantity1 Piece
Model Name/NumberMS-1
BrandFilsa--Spain
TypeMechanical
Voltage15 A15A / 250 V AC (for resistive loads) For inductive or capacitive loads
SizeHeight up to 2000 mm
Number Of Pieces Per Packetone

Intended use:

The level indicator observes the filling level as a limit switch in silos and vessels. It can be used as a full and empty indicator for dusty and powdery, granulated and grainy bulk goods with a maximum grain size up to 100 mm and with a bulk density of 0.3 to 3 t/m3


NamePendulum level indicator 
TypeMS-1ref: 2305
 MS-1 SRref: 2306
Rod lengthStandard 500 mm
(Other lengths under request)
 
Product density0.3 t/m3 ... 3 t/m3 
Maximum pressure+0.5 bar 
Cable entryM20x1.5 
Switching voltage250 V AC 
Switching function1 NO + 1 NC 
Capacity of the contact15 A / 250 V AC
(for resistive loads)
For inductive or capacitive loads
 
Bulk good temperature-25 °C ... +80 °C 
Ambient temperature-20 °C ... +70 °C 
Type of protectionIP66 according DIN EN60529 
Weight1.15 kg 
Materials:  
HousingAluminium, RAL 7001 coated 
RodAluminium
(Under request Stainless Steel)
 
ConeAluminium
(Under request Stainless Steel probe)
 
Folding bellowNBR

.

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Reinforced Membrane Boot Level Switch(Dry Material Boot Level Switch)

Reinforced Membrane Boot  Level Switch(Dry Material Boot Level Switch)
  • Reinforced Membrane Boot  Level Switch(Dry Material Boot Level Switch)
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Product Details:

Minimum Order Quantity1 Year
Model Name/NumberAD INOX
BrandFilsa--Spain
TypeMechanical
MaterialAluminium,RAL 7001 coated-Stainless Steel 1.4301
Voltage250 V AC/15 A Current Rating For Contact Switch
SizeAluminium Ring,Ral 7001 Coated And Screw Zincated Steel

Reinforced membrane level indicator. Is to be used to control normally the minimum level of bulk solids in silos or vessels and with high density bulk goods or with a hight abrasion to the membrane due to the product.

These controllers consist of a switch actuated by a membrane and it is recommended for dusty and powdery, granulated and grainy bulk goods like dust, flour, grain, sand, plastic, etc. with an easy flow and a bulk density from 0.3 to 2.5 t/m3.

NameMembrane level indicator 
TypeAD INOXref: 2212-0-742...
Density of the product0.3 t/m3 ... 2.5 t/m3 
Ambient pressureAtmospherical 
Maximum pressure+0.5 bar 
Cable entryM20x1.5 
Maximum voltage250 V AC 
Contact function1 NO + 1 NC 
Capacity of the contact10 A / 250 V AC
(for resistive loads)
For inductive or capacitive loads reduce at 50%
 
Product temperature-20 C ... +200 C 
Ambient temperature-20 C ... +80 C 
ProtectionIP65 according DIN EN60529 
Weight1.85 kg 
Sensitivity200 ... 500 g adjustable
(Depending of the model. Consult your application to our Technical Department)
 
Materials:  
HousingAluminium, RAL 7001 coated 
MembraneStainless Steel 1.4301 
Mounting ring and screwsAluminium ring, RAL 7001 coated and screw Zincated Steel
(Under request Stainless Steel 1.4301)

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  • Delivery Time: From Ex stock
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Differential Pressure Transmitter, DPT-CTRL

Differential Pressure Transmitter, DPT-CTRL
  • Differential Pressure Transmitter, DPT-CTRL
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Product Details:

Usage/Applicationfor building automation in the HVAC/R industry. With the built-in controller of the DPT-Ctrl it is p
Model Name/NumberDPT-Ctrl
BrandHK Instruments-Finland
Voltage24 VDC/VAC+-10 %
AccuracyModel 2500: Pressure < 125 Pa = 1 % + +-2 Pa Pressure > 125 Pa = 1 % + +-1 Pa Model 7000: Pressure
Operating Range2500,7000
Depth95 mm
Height90 mm
Product Weight150grams
Protection TypeIP 54
Rated Supply Voltage24 VAC or VDC,+-10 %
Response Time1.0 TO 20
Supply Voltage Limits24 VAC or VDC,+-10 %
Width90 mm
Output Type0-10 V,selectable via jumper,4-20 mA,selectable via jumper

DPT-Ctrl is a multifunctional PID controller with differential pressure or air flow transmitter.

DPT-Ctrl enables to control constant pressure or flow of fans, VAV systems or dampers. Its two lined display shows the direction of the control output and the measurement value at the same time. It is possible to select either current or voltage for both the control output and the differential pressure or flow output. The optional autozero function eliminates the need for periodic manual zero point calibration.

 

DPT-Ctrl series devices include:

  • Control differential pressure or air flow in duct or across centrifugal fans
  • All parameters (PID) are adjustable via menu
  • Differential pressure or air flow transmitter (selectable via menu)
  • Measure and monitor differential pressure or air flow in duct oracross centrifugal fans

 

Multiple field selectable measurement units:

  • Volume flow: m3/s, m3/h, cfm, l/s
  • Velocity: m/s, ft/min
  • Pressure: Pa, inWC, mmWC, kPa, mbar, psi

 

Unique proportional output options:

  • Control output: Voltage (0–10 V) or current (4–20 mA)
  • Differential pressure or air flow: Voltage (0–10 V) or current (4–20 mA)

 

DPT-Ctrl series device options offer:

  • AZ (autozero) function for automatic zero point calibration, eliminating the need for periodic manual autozeroing to ensure long term accuracy
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  • Item Code: DPT-CTRL
  • Delivery Time: 3-4 weeks
  • Packaging Details: Box packing
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Differential Pressure Transmitter DPT-MOD

Differential Pressure Transmitter DPT-MOD
  • Differential Pressure Transmitter DPT-MOD
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Product Details:

Usage/Applicationr for measuring volume flow, velocity, and static and differential pressure
Model Name/NumberDPT-MOD
BrandHK Instruments-Finland
Voltage24 VDC/VAC+-10 %
AccuracyModel 2500: Pressure < 125 Pa = 1 % + +-2 Pa Pressure > 125 Pa = 1 % + +-1 Pa Model 7000: Pressure
Operating Range2500,7000
Depth95 mm
Height90 mm
Product Weight150grams
Protection TypeIP 54

Multifunctional differential pressure transmitters with air flow measurement and Modbus communication DPT-MOD is a multifunctional transmitter for measuring volume flow, velocity, and static and differential pressure. The measurements can be read and the configuration done via Modbus communication. DPT-MOD requires less wiring than the traditional 3-wire transmitters because multiple devices can be connected on serial line. DPT-MOD can also be used with several different measurement probes such as FloXact™ or pitot tube, and air dampers.

DPT-MOD series devices include:
  • Two selectable functions:
  •  Measure and monitor in-duct volume flow, velocity or differential pressure
  • Measure and monitor air flow across centrifugal fans

Multiple selectable measurement units:
  • Volume flow: m3/s, m3/h, cfm, l/s
  • Velocity: m/s, ft/min
  • Pressure: Pa, inWC, mmWC, kPa, mbar
  • Modbus communication protocol

 DPT-MOD series device options offer:
  • AZ (autozero) function for automatic zero point calibration, eliminating the need for periodic manual autozeroing to ensure long term accuracy
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Differential Pressure Transmitter DPT-Priima

Differential Pressure Transmitter DPT-Priima
  • Differential Pressure Transmitter DPT-Priima
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Product Details:

Usage/Applicationcleanrooms and other high accuracy applications.
Model Name/NumberDPT -PRIMA
BrandHK Instruments-Finland
Voltage24 VDC +-10 % / 24 VAC +-10 %
Accuracy0.4 % + +-0.4 Pa
Operating Range-25 to +25 / -50 to +50 / -100 to +100 / -500 to +500 / 0 to 25 / 0 to 50 / 0 to 250 / 0 to 1000 Pa
Depth32 mm
Height95 mm
Product Weight150grams
Protection TypeIP 54
Rated Supply Voltage24 VDC +-10 % / 24 VAC +-10 %
Response Time0.4 / 8 s
Supply Voltage Limits24 VDC +-10 % / 24 VAC +-10 %
Width90 mm
Output Type3 wire-0 to 10 VDC , Two wire-4 to 20 mA

DPT-Priima is a high accuracy differential pressure transmitter designed for cleanrooms and other high accuracy applications. DPT-Priima has a new, extremely accurate sensor, optional span point calibration and automatic zero point calibration.
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Differential Pressure Transmitter DPT-Dual

Differential Pressure Transmitter DPT-Dual
  • Differential Pressure Transmitter DPT-Dual
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Product Details:

Usage/Applicationfor building automation in the HVAC/R industry. T
Model Name/NumberDPT-DUAL
BrandHK Instruments-Finland
Voltage24 VDC/VAC+-10 %
AccuracyModel 2500: Pressure < 125 Pa = 1 % + +-2 Pa Pressure > 125 Pa = 1 % + +-1 Pa Model 7000: Pressure
Operating Range2500,7000
Depth36 mm
Height95 mm
Product Weight150grams
Protection TypeIP 54

Field adjustable, multi-range differential pressure transmitter with two pressure sensors for air. DPT-Dual series differential pressure transmitters are engineered for building automation in the HVAC/R industry. DPT-Dual is a technologically advanced transmitter measuring static and differential pressure from two different points, with field selectable units, range and output, all in a single device.

 

DPT-Dual series devices include:

  • Multiple measurement units, field selectable via jumper, including: inWC, mmWC, Pa, mbar.
  • 8 field selectable measurement ranges, unidirectional or bi-directional, selectable via jumper.
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Differential Pressure Transmitter P34

Differential Pressure Transmitter P34
  • Differential Pressure Transmitter P34
  • Differential Pressure Transmitter P34
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Product Details:

Usage/Applicationx Differential pressure transmitter with very small dimensions - ideal for control cabinet installat
Model Name/NumberP34
BrandHalstrup Walcher GmbH
Voltage24 VDC/VAC+-10 %
Accuracy+-0.2% FS or +-0.5% FS
Operating Range10/50/100/250/500 Pa 1/2.5/5/10/20/50/100 kPa
Depth125 mm
Height108 mm
Product Weight450grams
Protection TypeIP 20
Rated Supply Voltage24 VAC or VDC, +-10 %
Response Time25 ms
Supply Voltage Limits24 VAC or VDC, +-10 %
Width35.2 mm
Output TypeAnalog ,USB

Differential pressure transmitter with very small dimensions – ideal for control cabinet installation.

Special features:

  • Measurement of differential pressure, volume flow or P-/T-compensated volume flow (optional) possible
  • Volume flow can be configured via k-factor, dPmax/Vmax or 20 individual values
  • Scaling, characteristic line form and many other parameters can be set via PC-software (optional)
  • With USB interface
  • 2 floating switching relays (optional)
  • Output signal can be configured 0-10 V or 0/4-20 mA
  • Highly stable measurements thanks to cyclical self-calibration of the zero point
  • Can be calibrated
  • Suitable for top-hat rail mounting in control cabinets
  • Delivery possible already completely integrated into the control cabinet (on request)

Applications: 
Monitoring of gaseous, non-combustible and non-aggressive Media. Possible usage areas are: 
  • Building automation and air conditioning systems
  • Pharma machine application for differential pressure & Air flow measurement 
  • Sterilization, Depyrogenation Tunnel & Isolator applications
  • Leak Testing machine
  • The P34 differential pressure transmitter is designed for pressure monitoring applications in cleanrooms, laboratories, pharmaceutical plants and operating theatres as well as for special uses in machine and plant construction. As well as measuring the differential pressure, the instrument also records positive and negative overpressures as well as flow rates or volumetric flows.
  • The measuring range is scalable in the range from 10-100 %. Two optional contact points allow the user to connect visual or audible alarms that are triggered any time values rise above or fall below specified limits. The transmitter can be configured easily via an USB interface (optional) with software. A selectable time constant allows the transmitter to be adjusted perfectly to the pressure conditions and thus ensures a stable output signal. The P 34 can be mounted on top-hat rails
  • The instrument is available with an ISO factory calibration or DAkkS-accredited calibration certificate (optional).
  • For volume flow applications also complete measuring sections can be delivered and calibrated (DAkkS-accreditaion being prepared).
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  • Delivery Time: 4-6 working weeks
  • Packaging Details: Box packing
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Differential Pressure Transmitter PIZ

Differential Pressure Transmitter PIZ
  • Differential Pressure Transmitter PIZ
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Product Details:

Usage/ApplicationDifferential pressure transmitter with linear curve for air-conditioning applications x Also availab
Model Name/NumberPIZ
BrandHalstrup Walcher GmbH
Voltage10-32 VDC (two-wire system)
Accuracy+- 0.2% FS and +- 0.5% or +- 1% FS
Operating Range50 / 100 / 250 / 500 Pa 1 / 2.5 / 5 / 10 / 20 / 50 / 100 kPa (others available on request)
Depth73 mm
Height80 mm
Product Weight800 grams
Protection TypeIP 65
Rated Supply Voltage10-32 VDC (two-wire system)
Response Time20 ms
Supply Voltage Limits32 VDC
Width151 MM
Output TypeAnalog

Differential pressure transmitter with two-wire technology (cable-safer) for measurement of positive or negative differential pressures.

Special features:

  • High level of accuracy and long-term stability
  • Little zero point drift or hysteresis; largely independent of temperature
  • Measurement of positive and negative differential pressures
  • LCD display (optional)
  • Output signal 4-20 mA
  • Factory-adjusted attenuation of the output signal of up to 5 s possible (optional)
  • Can be calibrated

Applications: 
Monitoring of gaseous, non-combustible and non-aggressive Media. Possible usage areas are: 
  • Building automation and air conditioning systems
  • Pharma machine application for differential pressure & Air flow measurement 
  • Sterilization, Depyrogenation Tunnel & Isolator applications
  • This differential pressure transmitter reduces wiring costs thanks to its two-wire technology. An optional display allows measurement values to be read directly on-site in Pa, kPa or mmH2O. An optional time constant (up to 5s) allows the instrument to generate an attenuated output signal, even under fluctuating pressure conditions. 
  • The instrument is available with an ISO factory calibration or DAkkS-accredited calibration certificate (optional).

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    • Delivery Time: 4-6 working week
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    Differential Pressure Transducer PU (Delta_P)

    Differential Pressure Transducer PU (Delta_P)
    • Differential Pressure Transducer PU (Delta_P)
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    Product Details:

    Usage/ApplicationDifferential pressure transmitter with linear curve for air-conditioning applications
    Model Name/NumberPU/PI
    BrandHalstrup Walcher GmbH
    Voltage230 VAC
    Accuracy+- 0.5% or +- 1% FS
    Operating Range50/100/250/500 Pa 1/2.5/5/10/20/50/100 kPa
    Depth75 mm
    Height120mm
    Product Weight800 grams
    Protection TypeIP 65
    Rated Supply Voltage230VAC
    Response Time25 ms
    Supply Voltage Limits230 VAC
    Width122
    Output TypeAnalogue (0-10 V or 4 to 20 mA)

    Differential pressure transmitter available in a range of precision classes for measurement of positive or negative differential pressures.

    Special features:

    • Measurement ranges: 0-10 mbar, 0-25 mbar
    • High level of accuracy
    • Little zero point drift or hysteresis; largely independent of temperature
    • LCD display (optional)
    • Output signal: 0-10 V (PU),  0/4-20 mA (PI)
    • Factory-adjusted attenuation of the output signal of up to 5 s possible (optional)
    • Can be calibrated

    Applications: Monitoring of gaseous, non-combustible and non-aggressive Media. Possible usage areas are: 
    • Building automation and air conditioning systems 
    • Pharma machines - low pressure measurement
    • Textile machine application - Carding, Draframe, Ringframe, Blowroom
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      • Item Code: PU
      • Delivery Time: Ready stock
      • Packaging Details: Box packing
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      Differential Pressure Transmitter REG21

      Differential Pressure Transmitter REG21
      • Differential Pressure Transmitter REG21
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      Product Details:

      Usage/ApplicationPressure measurement and regulation in a device x Accurate measurement of differential pressure with
      Model Name/NumberREG 21
      BrandHalstrup Walcher GmbH
      Voltage24 VDC,+20%/-15%
      Accuracy+- 0.5% or +- 1% of max. value
      Operating Range50/100/250/500 Pa 1/2.5/5/10/20/50/100 kPa
      Depth163 mm
      Height48 mm
      Product Weight800 grams
      Protection TypeIP 50
      Rated Supply Voltage24 VDC/24 VAC +20%/-15%-115 VAC-230 VAC,+6%/-15% (50/60 Hz)
      Response Time20 ms
      Supply Voltage Limits230 VAC
      Width96 mm
      Output TypeAnalog out put

      Differential pressure transmitter in control panel housing with two limit contacts.

      Special features:

      • Accurate measurement of differential pressure with automatic zero-point calibration and high overload protection
      • Switching outputs can be used as 2-point regulator (pressure switch), for activating / deactivating a final control element (e.g. pump), with relay hysteresis
      • Switching outputs can be used as a 3-point regulator  (e.g. ON 1 - OFF - ON 2) for activating / deactivating two final control elements, (e.g. air intake / outflow fans), with relay hysteresis
      • Asymmetry also possible, e.g. 10-40 mbar
      • High level of accuracy and long-term stability
      • Very little hysteresis; largely independent of temperature
      • 4 1/2 digit LED display
      • Output signal 0-10 V, +- 5 V or 0/4-20 mA
      • Selectable attenuation of the output signal up to 10 s
      • Choice of transistor or relay outputs as limit contacts
      • Can be calibrated



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        • Delivery Time: 4-6 working weeks
        • Packaging Details: Box packing
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        Differential Pressure Transmitter

        Differential Pressure Transmitter
        • Differential Pressure Transmitter
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        Product Details:

        Minimum Order Quantity1 piece
        Usage/ApplicationAir, non-combustible and non-aggressive gases application
        Model Name/Number984 Series
        BrandBeck GmbH
        Voltage18-30 Vac/Vdc (For 984M)
        Accuracy+-0.5% FS, min. +-1 Pa

        The differential pressure transmitters of the 984 series are used to measure differential pressure, overpressure and vacuum. They provide up to 8 pressure ranges and 2 output signals, which are easily selectable by jumper or rotary selector switch.

        For an optimum adaptation to the application, the transmitter can be switched between various pressure ranges. The factory setting is the most sensitive range. For the series 984M and 984A the less sensitive second range will be selected by simply removing a jumper. For the series 984Q the available eight ranges can be selected by a rotary selector switch.

        • Applications: Monitoring of gaseous, non-combustible and non-aggressive media. Possible usage areas are:
        • BMS and HVAC systems 
        • Inside Pressure Measuring on Industrial Boilers, Furnaces and Dryers
        • Bag-filter pressure monitoring
        • Furnace draft pressure monitoring
        • Building automation, air conditioning and clean room technology
        • Valve and flap control
        • Filter, fan and blower monitoring 
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        • Delivery Time: Ready Stock
        • Packaging Details: Packed in Box
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        Differential Pressure Switch

        Differential Pressure Switch
        • Differential Pressure Switch
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        Approx. Price: Rs 6,500 / PieceGet Latest Price

        Product Details:

        Minimum Order Quantity1 Piece
        BrandBeck GmbH
        Current Rating15 A
        Media TypeGas
        Contact System TypeSPDT
        Electrical ConnectionAMP flat plug, 6.3 mm x 0.8 mm, in accordance with DIN 46244 or push-on screw terminals.
        Contact MaterialGold
        IP RatingIP 54 with cover
        Model Name/Number930 Ex
        ColorSilver
        Ambient Temperature-20 Degree C to +85 Degree C
        Sensing Elementsilicone
        Minimum Order Quantity1 piece
        Electrical RatingAC-15

        Adjustable differential pressure switch for monitoring overpressure, vacuum and differential pressure of air or other non-combustible, non-aggressive gases.


        The switching pressure can be adjusted without a pressure gauge using a scaled adjustment knob. Various versions with overlapping adjustment ranges between 0.2 mbar and 50 mbar are available for this purpose. As standard, the pressure switch is equipped with a transparent cover of protection class IP54.

        Application:

         

        • Monitoring air filters and ventilators
        • Monitoring industrial cooling-air circuits
        • Overheating protection for fan heaters
        • Monitoring flows in ventilation ducts
        • Controlling air and fire-protection flaps
        • Frost protection for heat exchangers Ex zones 1, 2 and 21, 22 with ATEX type examination
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        • Production Capacity: Ready Stock
        • Delivery Time: readily avilable
        • Packaging Details: Box packed
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        Air Flow Velocity Transmitter

        Air Flow Velocity Transmitter
        • Air Flow Velocity Transmitter
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        Approx. Price: Rs 21,520 / PieceGet Latest Price
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        Product Details:

        Minimum Order Quantity1 Piece
        MaterialStainless Steel
        Hook TypeStainless Steel
        BrandBeck GmbH
        Display TypeRed; 4 digits,LED
        Accuracy+-0.5% FS,min. +-1 Pa
        Range0 to 100 mbar
        ColorWhite
        Process Temperature-20 ... 70 Degree C
        Usage/ApplicationHVAC systems Velocity meansurement in duct ID / FD Fan - Flow measurement

        The transmitters of the 985V series are used to measure volume flow or flow velocity and pressure. A jumper enables switching between volume flow or flow velocity and pressure measurement.

        Application:
        • HVAC systems
        • Velocity meansurement in duct
        • ID / FD Fan - Flow measurement 

        • Setting ranges:
          Depending on type between 0 to 100 mbar
        • Temperature range:
          Working and storage temperature from -20°C to +70°C
        • Process connection:
          Hose connection with 4 / 6 mm outer diameter
        • Supply voltage:
          18 to 30 VAC / VDC
        • Output signal(3-wire):
          0 - 10 V
          4 - 20 mA
        • Electrical connection:
          Plug-in terminals for wires and strands up to 1.5 mm2 or
          circular connectors M12 / 4-pole
        • Protection class:
          IP65 acc. to EN 60529
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        • Delivery Time: ready Available stock
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        Pressure Cum Hydro Static Level Transmitter

        Pressure Cum Hydro Static Level Transmitter
        • Pressure Cum Hydro Static Level Transmitter
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        Approx. Price: Rs 9,500 / PieceGet Latest Price
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        Product Details:

        TypeDigital
        Usage/ApplicationLevel Monitorning - Water,Draft Pressure - Boiler,Furnace,Blower Etc.Steam Pressure Measurement Re
        Model Name/Number981
        BrandBeck GmbH
        Voltage10 To 30 VDC
        MaterialSteel
        Accuracy+-1%
        Operating Range0 To 300 m Bar
        Ambient Temperature-20 Degreec Bis +85 Degreec
        ColorWhite
        Depth45 Mm
        Measuring Range0 To 300 Mbar
        Height59 Mm
        Product Weight100 Grams
        Protection TypeIp65 According To En 60529
        Pressure UnitMbar,Mmwc,Pascal
        Voltage V10 To 30 VDC
        Temp PressUp To 85 Degree c Depending On Material Of Pressure Connection And Diaphragm.
        Process Connection1/4 Inch Bsp Thread
        Output Signal4 - 20 Ma 2-Wire Or 0 - 10 Vdc 3-Wire

        Analogue pressure transmitter monitoring overpressure, vacuum or differential pressure of liquid and gaseous also aggressive media. The pressure measurement is carried out in difference to the atmospheric pressure (relative pressure).

        Application: 
        • Level monitorning - water
        • Draft pressure - Boiler, Furnace, blower etc.
        • Steam pressure measurement
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        • Item Code: 981
        • Delivery Time: 4-5 working weeks
        • Packaging Details: Box packing
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        Air Flow Meter

        Air Flow Meter
        • Air Flow Meter
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        Approx. Price: Rs 22,500 / per pieceGet Latest Price

        Product Details:

        Model Name/NumberAir Flow meter Thermo dynamic Principle
        DisplayDigital
        Flow Range1 scfm to 56000 scfm
        BrandKalki Automation
        Application MediaAir,Nitrogen
        Usage/ApplicationAll iNDUSTRIES
        MaterialAluminium
        ColorWhite
        WarrantyOne year again manufacturing defects

        Datasheet: The Flow meter clamps onto a pipe, with two Flow sensing probes projecting into the pipes through 5mm. drilled holes. It seals directly to the pipe; no cutting or welding is required for installation. Because each Flow meters is made and calibrated for a specific size of pipe, the display indicates Fow directly, with no setup or adjustments. The meter measures Flow by maintaining one probe warmer than the other. It calculates the mass velocity from the amount of heat required, and then calculates the Flow on the basis of pipe area. The Flow rate in scfm is shown on a larger 4 digit display 485 output and pulse output permit remote display, totalizing and data collection. 

        Specifications

        Accuracy:2 percent of reading plus one percent of full scale at air temperatures between 4 and 50 Degree Celsius

        Fluids:Compressed air and Nitrogen Gas

        Operating Pressure:200 psig maximum

        Input Power:200mA at 18 to 24VDC

        Ring Material:Aluminum

        Display:Four-digit LED display

        Data Options :1.RS 485 Interface and software kit, 2.Pulse output without Display, 3. Optional Windows TAB local Display with sofware 
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        Paper Less Recorder Touch Screen 6 Channel

        Paper Less Recorder Touch Screen 6 Channel
        • Paper Less Recorder Touch Screen 6 Channel
        Get Best Quote
        Approx. Price: Rs 1.27 Lakh / UnitGet Latest Price
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        Product Details:

        Switch OperationTouch Screen
        Usage/ApplicationIndustrial ,Qaulity Assurance Lab
        Switch TypeTouch
        Power/Voltage90 To 250 Vac
        BrandBrain child
        Voltage90 To 250 Vac
        ColorLight grey
        Module Size144 x 144 x 189 mm
        Control OutputMod bus
        Range SelectionUniversal
        Model Name/NumberPR 20

        Paperless Recorder Touch Screen 
        MAKE: Brainchild
        MODEL : (PR-20-06 Channel)
        Plus1 Version+ Card reader+ Flash Card
        NOTE: We will Provide the below along with the Datalogger.
          Free 8 GB SD Card
          Free additional Card Reader x 1 pc per order
           Free additional 8 GB Pen Drive x 1 pc per order
         
        AI-206

        Universal Analog Input Modules-6 Channels

        Note:(The quoted price is Per Channel only)
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        Profile controller

        Profile controller
        • Profile controller
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        Product Details:

        Model Name/NumberPCB 1
        BrandShinko-Japan
        Temperature RangeUniversal selection
        Usage/ApplicationProgrammable and profile controller
        Voltage100- 240 VAC-OR 24 VAC/VDC
        Accuracywith +/-2% of each Input span +/- 1 digit
        Controller Function TypeProgrammable-Profile
        TypeDigital
        Size96*96 mm

        Program capacity: 10-patterns, 10-steps/pattern
        Program capacity with 10-patterns, 10-steps/pattern Using pattern link function, up to 100 steps of program control can be carried out.

        Easier viewing large display
        The large PV Display is useful for indicating a wide range of measurement ranges.
        Character size: 24 x 11 mm (H x W)

        Power supply and quick setup using the Tool cable and USB cable
        Initial settings can be easily performed from a PC using the Tool cable and USB cable.
        If the Tool cable (CMD-001, sold separately) is used, the power can be supplied to the PCB1 (from USB terminal of a PC).

        Drip-proof / Dust-proof (IP66)
        IP66 (only for the front panel) allows usage in harsh environments where the controller is exposed to water or dust.
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        Profile controller

        Profile controller
        • Profile controller
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        Product Details:

        Model Name/NumberPCA1
        BrandShinko-Japan
        Temperature RangeUniversal range
        Usage/ApplicationProfile programmable controller
        Voltage100 to 240 VAC- OR 24 V AC/DC
        Accuracywith in +/-2% of each input +/=1 digit
        Controller Function TypeProfile
        TypeDigital
        Size96*96 mm

        Program capacity: 16-patterns, 16-steps Program control of up to 256 steps is possible by linking patterns.

        11-segment character LCD display is used, so characters can be read easily

        Industry-leading premium display

        PV Display: 24.0 x 11.0 mm (H x W)
        SV/MV/TIME Display: 14.0 x 7.0 mm (H x W)

        PV color changes: Orange, Green, Red, When any alarm is ON: Green --> Red, When any alarm is ON: Orange --> Red, or PV color changes by deviation between PV and SV.
        Errors can be also checked via action indicators.

        Backlight indication time

        By setting backlight time (from no operation status until backlight is switched off), displays can be turned off, resulting in energy savings.

        Efficient Console software
        Console software (SWC-PCA101M) is available for data monitoring, editing, loading, etc.
        Power to the PCA1 is not required if USB communication cable (CMB-001) is used.
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        Atex Differential Pressure Switch 930 EX

        Atex Differential Pressure Switch 930 EX
        • Atex Differential Pressure Switch 930 EX
        • Atex Differential Pressure Switch 930 EX
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        Product Details:

        Current Rating24 VDC/100 mA,30 VDC/60 mA
        Media TypeGas
        Range Setting20 TO 5000 pascal
        Contact System TypeSPDT
        Electrical ConnectionDIN Plugs
        IP RatingIP 54 with cover
        Model Name/Number930 Ex
        ColorWhite
        Power/Voltage24 VDC/100 mA,30 VDC/60 mA
        Ambient Temperature-20 DegreeC to +85 DegreeC
        Sensing Elementsilicone
        Minimum Order Quantity1

        Adjustable differential pressure switch for monitoring overpressure, vacuum and differential pressure of air or other non-combustible, non-aggressive gases.


        The switching pressure can be adjusted without a pressure gauge using a scaled adjustment knob. Various versions with overlapping adjustment ranges between 0.2 mbar and 50 mbar are available for this purpose. As standard, the pressure switch is equipped with a transparent cover of protection class IP54.

        Application:

        • Monitoring air filters and ventilators
        • Monitoring industrial cooling-air circuits
        • Overheating protection for fan heaters
        • Monitoring flows in ventilation ducts
        • Controlling air and fire-protection flaps
        • Frost protection for heat exchangers Ex zones 1, 2 and 21, 22 with ATEX type examination

        Setting Range:
        TypeAdjustable switching points betweenMaximum operating pressure
        930.80BEx20 und 300 Pa10 kPa
        930.84Ex30 und 400 Pa10 kPa
        930.83Ex50 und 500 Pa10 kPa
        930.85Ex200 und 1.000 Pa10 kPa
        930.86Ex500 und 2.500 Pa10 kPa
        930.7BEx1.000 und 5.000 Pa10 kPa

        • Temperature range:
          Medium and ambient temperature from -20°C to +85°C
          Storage temperature from -40°C to +85°C
        • Diaphragm material:
          Silicone, tempered at 200°C free of gas emissions (other materials on request).
        • Pressure connection:
          2 plastic pipe connection pieces (P1 and P2), external diameter 6.0 mm.
        • Electrical rating:
          24 VDC/100 mA
          30 VDC/60 mA
        • Electrical connection:
          AMP flat plug, 6.3 mm x 0.8 mm, in accordance with DIN 46244 or push-on screw terminals.
        • Protection class:
          IP 54 with cover
        • Arrangement of contacts:
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        Differential Pressure Switch

        Differential Pressure Switch
        • Differential Pressure Switch
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        Product Details:

        Current RatingStandard version: max. 1,5 A (0,4 A) / 250 VAC,Low voltage version: max.0,1A / 24VDC.
        Media TypeGas
        Range Setting20 to 5000 Pascal
        Contact System TypeSPDT
        Electrical ConnectionDIN Plugs
        Contact MaterialGold
        IP RatingIP 54 with cover,IP 00 without cover.
        Model Name/Number930.8X
        ColorWhite
        Power/Voltagemax. 1.5 A (0.4 A) / 250 VAC.
        Ambient Temperature-20 DegreeC to +85 DegreeC
        Ce ConformityLow Voltage Directive; RoHS Directive; Gas Appliance Directive; ATEX Directive
        Installation/After Sales Service Requiredwe will support
        Mounting TypeAny Direction
        Sensing ElementNBR,Silicone,FKM (Viton),EPDM
        Minimum Order Quantity10
        Enclosure ProtectionIP 64
        Electrical RatingAC-15

        Differential pressure switch 930 adjustable from 20 to 5000 Pascal

        Adjustable differential pressure switch for monitoring overpressure, vacuum and differential pressure of air or other non-combustible, non-aggressive gases.


        The switching pressure can be adjusted without a pressure gauge using a scaled adjustment knob. Various versions with overlapping adjustment ranges between 0.2 mbar and 50 mbar are available for this purpose. As standard, the pressure switch is equipped with a transparent cover of protection class IP54.


        NEW: This series is also available with an ATEX type examination.

        Application:

        • Monitoring air filters and ventilators
        • Monitoring industrial cooling-air circuits
        • Overheating protection for fan heaters
        • Monitoring flows in ventilation ducts
        • Controlling air and fire-protection flaps
        • Frost protection for heat exchangers

        Setting Range:
         
        Type Adjustable switching points between Maximum operating pressure
        930.80 20 and 200 Pa 10 kPa
        930.80B 20 and 300 Pa 10 kPa
        930.84 30 and 400 Pa 10 kPa
        930.83 50 and 500 Pa 10 kPa
        930.85B 100 and 1000 Pa 10 kPa
        930.85 200 and 1000 Pa 10 kPa
        930.86 500 and 2500 Pa 10 kPa
        930.87 1000 and 4000 Pa 10 kPa
        930.87B 1000 and 5000 Pa 10 kPa

        • Temperature range:
          Medium and ambient temperature from 20°C to +85°C
          Storage temperature from 40°C to +85°C
        • Diaphragm material:
          Silicone, free of gas emissions.
        • Pressure connection:
          2 plastic pipe connection pieces (P1 and P2), external diameter 6.0 mm.
        • Electrical rating:
          Standard version: max. 1,5 A (0,4 A) / 250 VAC
          Low voltage version: max.0,1A / 24VDC.
        • Electrical connection:
          Tab terminals 6.3×0.8 mm in accordance with DIN 46244 or push-on screw terminals.
          Cable conduit with cable strain relief.
        • Protection class:
          IP 54 with cover
          IP 65 with cover 
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        Additional Information:

        • Item Code: 930.8x
        • Delivery Time: Ready stock
        • Packaging Details: Box packing
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        Process Indicator

        Process Indicator
        • Process Indicator
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        Approx. Price: Rs 4,250 / UnitGet Latest Price
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        Product Details:

        Minimum Order Quantity1 Unit
        Model Name/NumberDS8 IRRB, DS8 IRRB
        BrandEquinox
        Display RangeProgrammable
        Supply230 VAC
        Display TypeDigital
        Weight75 grams
        CalibrationYES
        ResolutionProgrammable
        Analog Output4 to 20 mA

        Mv: 0 to 10mv, +/-100mv Acc: 0. 25% Fs ±1 Digit Sampling Rate: 8 Times/Seconds Alarm: 2 X 3 a /230 Vac Auxiliary Power Supply: Dcv 12/24 /30 Ma Power Supply: 90 to 260 Vac Dimension: 48 X 96 Mm
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        Din Rail Mounted Indicating Controller

        Din Rail Mounted Indicating Controller
        • Din Rail Mounted Indicating Controller
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        Product Details:

        Thickness22.5mm
        DesignMulti Input Function
        Mounting TypeDIN RAIL Mounting
        MaterialAluminum
        Length100 mm
        BrandShinko-Japan
        ColorWhite
        Output Voltage12 VDC -SSR
        Din RailYES

        Compact 22.5mm(W) x 75mm(H) x 100mm(D)
        Controller can be easily installed on a DIN rail inside the control panel.

        Multi-input, High sampling speed
        Total 18 types of input and 125 ms of high sampling speed allow you to deal with various processes; Thermocouple (10 types), RTD (2 types), Direct current(2 types), DC voltage (4 types )

        Modbus protocol available
        Shinko protocol, Modbus protocol (ASCII, RTU) are selectable.
        Monitoring software is also provided.
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        Adjustable Vacuum Switch

        Adjustable Vacuum Switch
        • Adjustable Vacuum Switch
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        Product Details:

        Minimum Order Quantity5 Unit
        Current Rating6(1.5) A/250 VAC and 2 A/24 VDC
        Range Setting-5 mbar to 700 mbar
        Contact System TypeSPDT
        Electrical ConnectionDIN Plugs
        Contact MaterialGold
        IP RatingIP44 / IP54 / IP65 depending on the used protection cap
        Model Name/Number901 Prescal series
        Colorwhite
        Power/Voltage6(1.5) A/250 VAC and 2 A/24 VDC
        Ambient Temperature-20 to +85 Degree C
        Ce ConformityLow Voltage Directive 2006/95/EC; RoHS Directive 2011/65/EC; ATEX- Directive 94/9/EC; Gas Appliance
        Installation/After Sales Service Requiredwe will support
        Mounting TypeAny direction
        Process Temperature85 degree C or 130 degree C
        Sensing ElementNBR,Silicone,FKM (Viton),EPDM

        Adjustable pressure switch monitoring overpressure, vacuum or differential pressure of liquid and gaseous – also aggressive – media. The pressure switch uses a scaled adjustment knob to enable the adjustment of trip and reset pressure without the use of a screwdriver. Mounting in any position, to be specified for settings below 100 mbar.

        Application:

        • Wastewater technology
        • Liquid level measurement
        • Pump control
        • Medical technology
        • Gas pressure measurement
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        Additional Information:

        • Delivery Time: 3-4 working weeks
        • Packaging Details: 45 / Box
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        Additional Information:

        • Delivery Time: 4 to 5 working days
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        In Line Refractometer(On Line Brix Transmitter)

        In Line Refractometer(On Line Brix Transmitter)
        • In Line Refractometer(On Line Brix Transmitter)
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        Product Details:

        Minimum Order Quantity1 Piece
        Model Name/NumberiPR series
        Application MediaAny Liquid
        MaterialStainless Steel
        Accuracy+- 0.0002 RI / +- 0.15 Brix
        Temperature Rangeup to 80 deg c
        Power Supply24 VDC

        Sugar, starch, sweeteners

        • Brix measurement of: Cane sugar, beet sugar, starch, sugar, raw sugar refining, molasses • Monitoring of the crystallisation process • Impurity detection in condensate • Concentration measurement of starch or sweetener



        Food and beverage industry

        yoghurt, soya milk, honey and other food additives • Dilution or evaporation process control in juice, jam, ketchup industries • Dealcoholisation process of beer • Payment system in the wine production (sugar content - Oechsle, Brix) • Process monitoring in the pectin prod. • Control of coffee and tea extraction process • CIP monitoring, product recovery and interface detection 

        SPECIFICATIONS iPR Compact2 Measuring range 1.3200 - 1.4535 RI / 0 - 65 Brix Resolution 0.0001 RI / 0.05 Brix Precision ± 0.0002 RI / ± 0.15 Brix Brix range Temperature corrected Process temperature -10°C up to +60°C (alu) or up to +80°C (stainWetted parts YAG; stainless steel, optional: PTFE Power supply 24 V DC Interfaces 1 output 4 - 20 mA 1 digital output switch (up to 1 A) 1 serial output,RS232, alternativly RS485 or Dimensions / Weight 150 x diam. 65 mm; approx. 1000 g Highlights Available as aluminium or stainless steel
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        Gas Pressure Switch LPG And Neutral Gas Distribution System And Burner Manufacturer

        Gas Pressure Switch LPG And Neutral Gas Distribution System And Burner Manufacturer
        • Gas Pressure Switch LPG And Neutral Gas Distribution System And Burner Manufacturer
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        Product Details:

        Current RatingStandard version: max. 6 (1,5) A / 250 VAC,Low voltage version: max. 100 mA / 24 VAC
        Media TypeGas
        Range Setting5 TO 500 mbar
        Contact System TypeSPDT
        Electrical ConnectionScrew Terminals
        Contact MaterialGold
        IP RatingIP44 / IP54 / IP65 depending on the used protection cap P00 without protection cap
        Model Name/Number901 Prescal
        ColorWhite
        Ambient Temperature0 to 80 Deg c
        Installation/After Sales Service Requiredwe will support
        Process Temperature0 to 80 Deg c
        Sensing ElementNBR according to DIN EN 549.

        Adjustable pressure switch for monitoring the over pressure of combustible gases of the gas families.
        1. City gas
        2. Natural gas
        3. LPG2

        The pressure switch uses a scaled adjustment knob to enable the adjustment of trip and reset pressure without the use of a screwdriver.
        as per standard EN1854:2010.
        LPG and Neutral Gas Distribution System and burner manufacturer.

        Pressure ranges:
        TypeSetting range for upper switching point betweenMaximum positive working pressure
        Standard/extended
        Maximum negative working pressure
        Standard/extended
        901.615 and 20 mbar0,5 bar0 bar
        901.6210 and 50 mbar0,5 bar0 bar
        901.6325 and 100 mbar0,5 bar0 bar
        901.6450 and 250 mbar1 bar0 bar
        901.65100 and 500 mbar1 bar0 bar


        Conformity:
        • EU Gas Appliances Regulation according to EN 1854
        • EU Low Voltage Directive
        • EU RoHS Directive
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        Additional Information:

        • Delivery Time: 3-4 working weeks
        • Packaging Details: Box packing
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        Ratings & Reviews

        Valli Aqua And Process Instruments

        4.1/5

        ★★★★★★★★★★

        Rated by 36 Users

        • 5★18
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        • 3★3
        • 2★1
        • 1★3



        Reach Us
        Vethagiri Kuppusamy (Proprietor)
        Valli Aqua And Process Instruments
        No. 1/231-A, Pananchalai Street, Adayalampattu
        Ambattur Industrial Estate, Chennai - 600095, Tamil Nadu, India


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