TrolMaster - CO2 Alarm Station (audio/visual) plus LED display indicator with cable set NEW ventilation/air-conditioning The double Ag/AgCl reference provides

The double Ag/AgCl reference provides less noise (unwanted voltages) than gold or silver electrodes

It can be used in hydroponic systems as simple as manually irrigated containers

Housing:                        Metal

0 Adjust-a-Drive is without question the finest linear lamp-mover available

TrolMaster - CO2 Alarm Station (audio/visual) plus LED display indicator with cable set NEW ventilation/air-conditioning The double Ag/AgCl reference providesThe AS 2 CO2 Alarm Station combines an audio visual alarm module with a color coded 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 DSA 1 can be linked to either the low or the high level CO2 sensors, or it can linked to both sensors for complete redundancy. The green LED indicator shows the CO2 level is below 800ppm which means the