Suitable for:
BAL1-127 g flameproof acousto-optic combination bell (hereinafter referred to as the "combination bell) suitable for methane and coal dust explosion hazard of coal mine underground to sound or light and sound signal in situ express or remote transmission of JingShiXing signal.
Technical parameters:
Execution standard: GB 3836.1-2000, GB 3836.2-2000, MT 428-1995;
Explosion mark: Exd Ⅰ;
Rated voltage: 36127 V AC/fifty hz;
Current rating: 0.35 A;
Sound radius: 150 m;
Light signal visual range: 30 m;
Cable diameter Φ: 14 to 22 mm.
Product features:
Shell and cover is made of high quality cast iron iron into, the plane flame-proof surface through the bolt and fasteners connection, the surface high voltage electrostatic pensu; Transparent cover increase protection network, protect the transparent cover is not easy to break, Signal expression for speaker voice, lamp luminous display; Through the speaker sends out the > 85 db noise signal and through the lamp luminous in 30 meters in visible light signal.