A/CO2-R2 | 144220. Carbon Dioxide Sensor, Room, 0-2000 PPM, 0-5VDC, 0-10VDC or 4 $240.60 SKU: A/CO2-R2 MANUFACTURER: Automation Components Inc. Parent Item Parent Item - Additional Cost Has Item Option Quantity -+ If you add this item, you're only $559 away from free shipping! Add to Cart Add to Cart Current Stock: 23 Details A/CO2-R2 | 144220. Carbon Dioxide Sensor, Room, 0-2000 PPM, 0-5VDC, 0-10VDC or 4-20mA) Documentation Data Sheet DetailsDocumentationBackA/CO2-R2 | 144220. Carbon Dioxide Sensor, Room, 0-2000 PPM, 0-5VDC, 0-10VDC or 4-20mA)Back Data Sheet