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Help CenterWeatherproof Telephone /used Emergency for Help/exit Used Mine Explosion-proof Telephone for Sale
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explosion proof phone, mine phone
1. Pick/hang way: pick/hang up way to handle control mode, pick machine to get through, hang machine is disconnected;
2. Answer the call: when there is a telephone, the telephone ring, remove the handle, you can talk to each other, after the call to hang back to handle;
3. Call: remove the handle, according to the common phone call way, talking to each other;
4. The machine has the automatic switching function, when the phone is ringing three times, after the machine automatically when calling can be called external speakers to talk;
5. Automatic disconnection function, after the busy tone can be automatically detected bolt, the unit did not hang up the handle also can hang up.Calling inbound not busy.
Product features
external loudspeakers 25 w, the highest volume can reach 120 dB, suitable for a wide range of broadcasting or high noise environment.
Arguments:
IP Grade | IP67 | Environment temperature | -40~+70℃ |
Relative humidity | ≤95% | Barometric pressure | 80~106KPa |
Feed-voltage | 48-60V | Feed current | 15mA |
Call transfer index | SLR≤12,RLR≤-1,STMR≥10 | Output impedance | 600Ω |
Frequency Response | 300~3400 Hz | The line output audio signal level | +2dB |
Environmental noise | ≤90dB | Distortion factor | ≤2% |
Ringing sound level | ≥90dB | Way to install | wall hanging |
max vol | ≥120dB | Speaker Power | 30W |
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