59
Version 10.6.3
Operating Manual
Headset, explosion-proof
MT53H79B
Description:
External
communication
device
of
telephone
ExResistTel(Ex),explosion-proof.
Description:
May operate in environment with increased noise level
(microphone with a noise suppression) and in explosion
hazardous areas
Equipped
with
a
connector
for
telephone
ExResistTel(Ex).
Delivered with a mounting bracket
Technical specifications:
Casing material: polyurethane-
elastomer plastic
Operating frequency range:
– microphone: 70…10000 Hz;
– headphones: 125…8000 Hz.
Explosion proof rating: 1Ex ib IIC T4
Operating temperature: –10 ºС…+55 ºС
IP rating: IP54
Weight: 0.36 kg
Mounting type:
Hinged (on a bracket)
Connection diagram: See Figure B.5
Micro-telephone headset
MT53H79B
External
communication
device
of
telephone
ExResistTel(Ex), explosion-proof