Valli Aqua And Process Instruments
Valli Aqua And Process Instruments
Ambattur Industrial Estate, Chennai, Tamil Nadu
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Carbon Dioxide Transmitter CDT 2000 Duct

Carbon Dioxide Transmitter CDT 2000 Duct
  • Carbon Dioxide Transmitter CDT 2000 Duct
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Product Details:

Display TypeDigital
Model Name/NumberCDT2000 Duct
BrandHK instruments
Measurement Range400-2000 ppm
AccuracyCO2: +-40 ppm + 2 % of reading, DC model: 75 ppm or 10 % of reading (whichever is greater
DimensionCase: 120 x 96 x 45 mm Probe: L=188 mm, d=12 mm
Operating Humidity Range: 0 to 95 % rH, non condensing
Operating Temperature0...50 DegreeC

The CDT2000 Duct series air quality transmitters are engineered for building automation systems in the HVAC/R industry. The CDT2000 Duct series measures carbon dioxide (CO2), utilizing the industry standard NDIR measurement principle, and temperature (T). Illuminated display ensures easy readability also from a distance. The CDT2000 Duct has a screwless lid and an easily adjustable mounting flange that make the installation of the device easy. The CDT2000 Duct series transmitters calibrate themselves automatically using ABCTM logic. The ABCTM logic requires that the space in which the transmitter is used needs to to be unoccupied for four hours per day so that the indoor CO2 concentration drops to the outside level. CDT2000-DC Duct is a dual channel model with a measuring channel and a reference channel that makes a continuous comparison and the necessary adjustment accordingly. CDT2000-DC Duct is also suitable for buildings that are continuously occupied.

CDT2000 Duct series devices include:
  • Separate field configurable output for each measurement parameter (CO2, T)
  • Offset feature enabling field calibration for each measurement parameter (CO2, T)
  • Mounting flange 

CDT2000 Duct series device options offer:

  • Clear backlit display  
  • Modbus configuration
  • 4-20 mA proportional output  

  • CDT2000 Duct series devices are commonly used to monitor:
  • CO2 levels of incoming and return air in ventilation system
  • CDT2000-DC Duct series devices can also be used inapplications where there is a constant source of carbon dioxide present (for example hospitals and greenhouses)
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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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