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HWB-B Intrinsically Safe Explosion Proof Telephone

Product Description

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.

Equipment Consultation
点击咨询索取报价
400—756—0186
PRODUCT DETAILS

Features

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

Technical Parameters

Explosion proof Parameters
Certificate No. CNEx12.2032
Ex-mark ExdibIICT6Gb
Protected Grade IP54
Electrical parameters
Ringing voltage(v)48
Ringing current(mA)25
Give the way Audio/pulse
Ringing sound level(dB)85
  • Sending Loudness Rating

2dB(0km)   15dB(5km)
  • Receiving Loudness Rating

-8dB(0km)  2dB(5km)
  • Electrical Connection

Two core cable connection coupler.
  • Mechanical Specifications

Material ABS 
Weight 1Kg
Installation type Wall/desktop
  • Environmental indicators

  • Explosive gas mixtures

IIA    IIB  IIC
  • Atmospheric pressure

80~106KPa
  • Environmental temperature

-25℃~+60℃(Normal ambient)
  • Relative humidity

≤95%RH(+25℃)

Dimensions:

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NANYANG YITONG EXPLPSIONPROOF ELECTRIC CO.LTD
Telephone:400-756-0186
Fax:0377-63235296
E-mail:yitongex@163.com
Address:Funiu road eco industrial park, Nanyang City, Henan Province, China
Wechat
Copyright:NANYANG YITONG EXPLPSIONPROOF ELECTRIC CO.LTD Record Number:YU ICP 11022688 -1