Quick view VCP | sku: CDK 24 CDK 24 / Duct CO2 transmitter Features • Carbon Dioxide (CO2 ) transmitters for duct mounting • CO2 range 0-2000 ppm or 0-5000 ppm, jumper selectable • Accuracy ± 30 ppm ± 3% of measured value • Output 0-10 Vdc or 4-20 mA, jumper selectable • Change over contact • Optical... Log in for pricing Compare