The ASENSE-R-REL room and duct sensor with relay monitors the carbon dioxide (CO2) levels in industrial, school, and office type environments. The concentration of CO2 is a strong indication of the overall indoor air quality. The ASENSE Series is based on a single beam non-dispersive infrared technology, and is a cost-optimized solution for the climate control of buildings and other processes. In addition, ABC software eliminates the need for manual calibration. The ASENSE Series measures the CO2 concentration in the ambient air up to 2,000 ppm and converts the data into an analog output. This data can be used in conjunction with a Building Automation or Demand Control Ventilation System. This decreases energy consumption while creating a healthier indoor climate. Units feature an analog temperature output (-4 to 140°F) and come with combined output options of 0-5 VDC or 0-10 VDC and 0-20 mA. 4-20 mA, 1-5 VDC, and 2-10 VDC are field selectable via an onboard jumper. A relay option is also available for this series. The SADK Calibration Kit is a configuration and test utility to assist you in your work with the ASENSE Series. The downloadable program UIP5 gives you access to the main features of the connected product. You also have the option to configure, log and test. Contact ACI for further details. The ASENSE Series is covered by ACI's Five (5) Year Limited Warranty.