Explosion proof safety telephone

Features

1)      HAK-1 intrinsically safe automatic telephone is not only used underground ,but also hard

         places with high temperature, high moisture, strong pollution;

2)      The material of cover is static-free, with features of waterproof, dustproof, anticorrosion and the

          protection degree IP54;

3)      Installation ,desk-top ,hanging type optional, by adopting the newest electronic switch structure,

         all the components is fixed strongly. 

4)      The keyboard is totally sealed with noctilucence and there are keys for emergency call, hang up

          and recall;

5)      With communication distance adjustment switch, it is possible to adjust the switch to improve

          the communication effects according to the distance between the telephone and dispatch

          master station for the situation of communication distance long, insulation of wire not good.

Usage Condition

1)       environment temperature: -5°C~+40°C;

2)       average relative moisture: ≤95%(25°C);

3)       atmospheric pressure: 80kPa~106kPa;

4)       noise: ≤75dB;

5)       the place with explosive mixture, but without corrosion gas for insulation ;