|Central Panel for 1 or 3 sensors
The central panels are equipped with three led bars that indicate the reached gas concentration, The green led indicates fresh air, the first and second red leds indicate pollution and the third and fourth red leds indicat e the switching on of the alarm relay. The yellow led indicate an anomaly of the system and it operate on the fault relay.
Catalytic sensor to detect methane or LPG.
Piezoelectric modulated siren with flashing red light indication.