The CD-12H is a line voltage, dual relay Carbon Dioxide (CO2) detector, and automatic ventilation controller. The CD-12H uses a microcomputer controlled, electronic system to measure the concentration of CO2, actuate relays and provide a 4-20 mA output. The CD-12H has a low maintenance long life (15+ years) non-dispersive infrared (NDIR) sensor and optional gas test/calibration kits. The CD-12H is a low-level meter capable of displaying from 0-5000 ppm of carbon dioxide.
Check items to add to the cart or select all
Sign Up for Special Deals! Submit your email address