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      Home » Products » Greystone HVAC Sensors » Greystone carbon dioxide sensor CDD4 Series

      Greystone carbon dioxide sensor CDD4 Series

      Greystone carbon dioxide sensor CDD4 Series
      Greystone carbon dioxide sensor CDD4 Series
      Product Code : CDD4
      Brand Name : Greystone
      Product Description

      Greystone carbon dioxide sensor CDD4 Series

      FEATURES:

      Space, Duct & Outside Models

      2 Available Ranges

      CO2, Temperature Outputs

      Optional Slidepot and/or Override

      Optional On-board Relay

      Optional LCD Display

      Custom Logos Available


      SPECIFICATION:

      Power supply

      20-28 VDC

      Output Signals

      4-20 mA active (sourcing), 0-5 Vdc or 0-10 Vdc (field selectable)

      Sensor Coverage Area

      100 m² (1000 ft²) typical

      Measurement Type

      CDD4A: Non-Dispersive Infrared (NDIR), diffusion sampling


      CDD4B: Dual Channel Non-Dispersive Infrared (NDIR), diffusion sampling

      Measurement Range

      CDD4A: 0 - 2000 ppm


      CDD4B: 0 - 20,000 ppm, programmable span from 2000 to 20,000 ppm

      Standard Accuracy

      CDD4A: ±30 PPM + 3% of reading with Auto Cal on.


      CDD4B: ±75 PPM or 10% of reading (whichever is greater)

      Temperature Dependence

      0.2% FS per °C

      Resolution

      1 ppm CO2, 1% RH, 1°C (1°F)



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