1, HWB-B explosion-proof phone, with ordinary telephone functions, with all-electronic, non-contact sensor function, the circuit uses special technology.
2, HWB-B-type explosion-proof intrinsically safe telephone explosion-proof intrinsically safe automatic telephone, the BFH-C explosion-proof intrinsically safe telephone coupler access telephone exchange, the composition of the communications network.
3, the explosion-proof telephone designed using advanced electronic circuits, suitable for containing flammable gas mixture of places, such as oil, chemicals, oil depots, steel, coking, mining and other enterprises.
1, through the HWB-B-type explosion-proof telephone coupler with 48 ~ 60 volts of various types of telephone exchange with the use of the adapter.
l Calling line with automatic gain control (AGC) circuit, so that the basic voice calls from outside length changes.
2, the use of electronic music bell, ringtones crisp and sweet.
3, the explosion-proof phone can be used for table machines, but also wall use, convenient and reliable.
With all-electronic, non-contact sensor function
|Explosion proof Parameters|
|Give the way||Audio/pulse|
|Ringing sound level(dB)||85|
|Two core cable connection coupler.|
|IIA IIB IIC|