Interphone system IS-05
Interphone system IS-05 provides two-way loudspeaker communication between a technologist and a drill operator at high noise boring station conditions.
IS-05 is based modern electronics and enclosed in a compact metallic body. The main consumer preferences have been improved. The bell is equipped with an electronic microphone in order to improve speech intelligibility. The external influence protection system has a self-restoring protector with an embedded varistor and an extra discharger.
Communication line short-circuit protection system, in addition to output amplifier protection, has a self-restoring protector.
Additional features:
The bell has a call button to draw the operator’s attention;
To decrease noise level at waiting mode the “standby mode” is added.
There are additional slots for headphones or an external amplifier and a microphone;
In order to extend the dynamic range in the return channel the device has a compressor;
Connection line failure diagnostic and output signal level indicator are provided.
Technical specifications
AC power supply voltage, V |
~220V±10%, 50Ghz |
Power consumption, W (not more than) |
30 |
Operational frequency range, Hz (not less than) |
320…6000 |
Output power at load resistance 100 Ohm, W (not less than) |
10 |
Communication line length (P-274), m (not less than) |
100 |
Uninterrupted uptime, hr (not less than) |
24 |
Mobile speaker type |
GR-4 (with amplifier and call button) |
Outer dimensions, mm (not more than) |
230×180×62 |
Weight, kg |
2 |
Operating conditions: |
|
Temperature, оC |
+10…+45 |
Density, % (not more than) |
90 |