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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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