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Explosion-proof digital loud-speaking intercom A8ex buy in Almaty
Buy Explosion-proof digital loud-speaking intercom A8ex
Explosion-proof digital loud-speaking intercom A8ex

Explosion-proof digital loud-speaking intercom A8ex

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Kazakhstan, Almaty
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Technical characteristics
  • BrandArmtel
  • Country of manufactureRussia
Description
Send a request for armtel@armtel.kz and by phone +7(727)391 02 58

Explosion-proof digital loud-speaking intercom A8ex is intended for the organization of bilateral communication as a part of the GGS wire system. Depending on a configuration and programming of a main line, it supports automatic connections with various communication systems and subscriber devices.
Intercom A8ex is applied in potentially explosive gas environment, except mines and their land structures dangerous on firedamp where under the terms of operation the GGS usual equipment is inapplicable.
The case of intercom A8ex dielectric is also manufactured of steklonapolnenny material. Material and a design of the case provide crash-worthiness and chemical stability.

As a part of digital system of a conference circuit by means of A8 of Ekh implementation of the following functions is possible:

  • communication of subscribers by means of the receiver;
  • connection of the additional amplifier and external loudspeaker;
  • connection of the portable microphone;
  • indication of a call, condition of the line, storing of a call by means of the light-emitting diodes established under each button;
  • automatic connection of subscribers (with an exit of the entering colloquial path on the external amplifier and a loudspeaker at the switched-off microphone);
  • connection of the computer to A8 of Ekh for a configuration;
  • volume control of loudspeakers by means of the programmed buttons with the local function "Volume control";
  • ensuring protection against the wrong polarity of connection of the power supply.

The full structure of functions, their realization are various and depend also on the used main line.

Technical characteristics of an intercom of A8Ex

Name of parameter Measurement unit. Size
Rated voltage of food In - 48
Admissible range of supply voltage In from - 60 to - 36
Consumption current in a waiting mode, no more ma 40
Maximum tension, no more In - 60
Maximum current, no more And 1,1
Electric capacity, no more mkf 100
Inductance, no more mkgn 18
Bandwidth of LF of a signal (ISDNEDSS protocol) Hz from 300 to 3400
Quality and norms of legibility rechipo GOST P 50840-95 - it is not worse than II
Output power of the built-in amplifier W 1
Output power of the additional amplifier W to 50
Communication interface - U
Electrical protection class - II
Explosion protection class - 2Ex e ma [ib] IIC T6
Degree of protection in accordance with GOST 14254-96 - IP65
Type of a climatic modification in accordance with GOST 15150-69 - B5
Range of admissible values of temperature of air ºC from - 40 to +50
The case sizes (with a tube) mm 285x240x84,5 (123,5)
Weight, no more kg 3,5
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Explosion-proof digital loud-speaking intercom A8ex
Explosion-proof digital loud-speaking intercom A8ex
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