The Autronica BHH-31A/EX is an explosionproof optical smoke detector which detects combustion gases consisting of visible particles. The BHH-31A/EX is not influenced by electrical radiance from mobile phones etc. For use in hazardous areas, zone 1 and zone 2.
The Autronica BHH-31A/EX can be used in combination with the following:
Conduit Box: BWP-40
|Sensitivity||Acc. to EN-54 part 7/9|
| Current consumption |
|Environ. requirements||EN-54 part 7|
|Degree of protection||IP44D|
|Working temperature|| -20