he Autronica 116-BHH-31A/EX is an optical smoke detector, for the detection of combustion gases that mainly consist of visible (large) particles. The Autronica BHH-31A/EX is designed for use in hazardous area Zone 1 and Zone 2, and needs to be connected via the BZ-32 Zener Barrier
The BHH-31A/EX is not influenced by electrical radiance from mobile phones or other devices.
The Autronica 116-BHH-31A/Ex Refurbished Optical Smoke Detector is cleaned, refurbished, tested and working.
According to EN-54 Part 7/9
14VDC ± 2 V
-20°C to +70°C
0 to 90% RH