
Greystone CDD4 Carbon Dioxide Detectors with Analog Output
The CDD4 Series CO2 transmitter uses a highly accurate and reliable Non-dispersive Infrared (NDIR) with state-of-the-art digital linearization and temperature compensated circuitry in an attractive, low profile enclosure for room applications and a duct mount version to detect CO2 levels and provides a linear analog signal output of 4-20 mA, 0-5 or 0-10 Vdc signals. An optional LCD display is available that is fully programmable to show only the parameters required.
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• Space, Duct & Outside Models
• 2 Available Ranges
• CO2, Temperature Outputs
• Optional On-board Relay
• Optional LCD Display
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Greystone CDD5 Carbon Dioxide Detectors with Temp RH and Analog Output
CO2/Humidity/Temperature transmitter incorporates three sensors in one attractive wall mount enclosure for the most efficient environmental monitoring.

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