A/CO2-R2O | 147581. Carbon Dioxide Sensor, Room, 0-2000 PPM (0-5VDC, 0-10VDC, 4- $249.00 SKU: A/CO2-R2O MANUFACTURER: Automation Components Inc. Parent Item Parent Item - Additional Cost Has Item Option Quantity -+ If you add this item, you're only $551 away from free shipping! Add to Cart Add to Cart Current Stock: Please contact sales Details A/CO2-R2O | 147581. Carbon Dioxide Sensor, Room, 0-2000 PPM (0-5VDC, 0-10VDC, 4-20mA), Override Documentation Data Sheet DetailsDocumentationBackA/CO2-R2O | 147581. Carbon Dioxide Sensor, Room, 0-2000 PPM (0-5VDC, 0-10VDC, 4-20mA), OverrideBack Data Sheet