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Detector, Controller and Transducer Carbon Dioxide Detection and Control The Macurco CD-6H is a low voltage, dual relay Carbon Dioxide (CO2) detector, controller and transducer. The CD-6H has selectable 4-20 mA output, buzzer and digital display options. It is an electronic detection system used to measure the concentration of Carbon Dioxide and provide feedback and automatic exhaust fan control to help maintain appropriate Carbon Dioxide concentrations in commercial applications. The CD-6H is a low level meter capable of detecting from 0-5000 ppm of Carbon Dioxide. Selectable options include:
Fan relay actuation: selectable at 600, 700, 800, 900, 1000, 1100... 2000 (default)... to 5000ppm
Output: Fan relay, Alarm relay and 4-20mA current loop
Controls: Digital display (0-5000 ppm), buzzer, fan delay, fan minimum runtime
Installation
Mounts on a standard 4" x 4" electrical box
5 A SPDT fan relay controls valves, louvers or exhaust fans
0.5 A N.O. or N.C alarm relay connects to warning devices or control panels
4-20mA current loop - compatible with the Macurco DVP-120 Control Panel
Factory calibrated
Other Features
Supervised system design: detector problem will cause the fan & alarm relay to activate
Self calibrating, optional gas test kit allows the CD-6H to be field tested