Gas Detectors

Greystone CMD Carbon Monoxide Gas Detectors

Environmental, industrial and commercial indoor Carbon Monoxide (CO) gas detectors. Availbale in space and duct enclosures.

From $191.00

Greystone CDD3 Carbon Dioxide Detectors with BACnet or Modbus

The CDD3 Series CO2 Detector w/ BACnet or Modbus Communciation. Low profile wall or duct mount enclosures and with optional Temperature and/or Relative Humidity sensing.

From $355.30

Greystone CDD4 Carbon Dioxide Detectors with Analog Output

Detects 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.

From $294.00

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.

From $392.00

why buy from us?

We're engineers passionate about home ventilation and serious about customer service – so you can count on us for carefully-selected equipment and expert advice to ensure your project is a success from specification to installation.

Your call is answered by qualified people who will gladly discuss your project in detail, advise you professionally and never sell you inappropriate products.