The Trolmaster CO2 Alarm Station AS-4 is an acoustic-visual alarm module with a blue LED light indicator and digital LCD display to show the ppm value. It monitors CO2 emissions outside of growing rooms and can be connected to CO2 sensor channels. If the CO2 value is exceeded, it gives an acoustic signal and flashes with the blue LED display.
*Note: SPH-1 required for additional power supply.
Included in delivery:
- 1x alarm center AS-4
- 1x 16ft RJ12 cable