When the concentration of CO/NO2 accumulated in the room is high enough to be dangerous to people, the COsensor detection units activate the alarm output.
The function of these sirens is to warn occupants to leave the premises and not to enter until the alarm stops.
Features
Operating voltage 10.8 – 28 Vdc
Power consumption 90 mA max.
Buzzer SI (98 dB at 1 m)
Operating temperature -10ºC to 50ºC
Dimensions 365 x 180 x 50 mm