CO2 Alarm station (amber light) plus LED display indicator w/ cable set

The AS-3 CO2 Alarm Station with an Amber light alarm module comes with a Amber LED display indicator and a LCD digital ppm level reading. It is designed to be mounted outside of the space to be monitored, and will display the CO2 ppm level. The AS-3 can be linked to either the low or the high level CO2 sensors, or it can be linked to both sensors for complete redundancy.The AS-3 will sound an audible alarm and blink the Amber LED indicator in the event of the CO2 level going above the user s preferred level set in the main controller.Please Note: The AS-3 requires the SPH-1 for supplemental power