KTT3 Multi-functional mine expanding broadcast telephone introduction
KTT3 Multi-functional mine expanding broadcast telephone is a device used for mine safety type expansion information communication, signal and sound and light alarm.
This telephone can form dot expansion of information communication and signal connection system, also can connect into the program-controlled exchange communication scheduling system through the interface device.
Accept external control signal, can send out sound and light alarm signal, used for equipment starting warning or alarm.
KTT3 Multi-functional mine expanding broadcast telephone application environment
Ambient temperature : 0～+40℃
Relative humidity : ≤95%(+25℃)
KTT3 Multi-functional mine expanding broadcast telephone feature
1. telephone connect (including charge) via four core cable, can form an
independent half duplex broadly dot expansion of information communication,
alarm and signal connection system;
2. exchanged into the programmable scheduling communication system through the interface, and communicate to a set phone;
3. any phone accepts external control signal, phone in the same line can
send out sound and light alarm signal, can be used for the control system of
starting forecast or other alarm;
4. built-in floating battery, external power
supply temporary interruption, communication is not affected;
5. floating battery
built-in recoverable insurance device, used as a short circuit protection and
ensure the safety performance;
6. has a low voltage monitoring, to ensure normal
work of communication system;
7. solid steel shell, the remarkable protective
performance;
8. high protection grade way of cable connector connection, easy
wiring installation.
KTT3 Multi-functional mine expanding broadcast telephone parameter
RBI alarm sounds : not less than 90dB
alarm control signal : DC current (2 ~ 10mA) or potential-free contacts
Alarm signal : tone alternating signal, low frequency 750Hz ± 100Hz, frequency 1000Hz ± 100Hz, alternating time 0.5 ~ 1S (alarm control inputs must be connected to intrinsically safe circuits)
Explosion-proof type : Mine intrinsically safe Exib I
Outlet allows cable diameter : 6 ~ 12mm
Connector allows the cable diameter : 7 ~ 8.5mm
Housing protection : IP65
RBI signal : 750Hz ± 100Hz tone signal
Dimensions (L × W × H) : 360mm × 165mm × 200mm
weight : 10.5Kg
KTT3 Multi-functional mine expanding broadcast telephone photo
Because of the production batch, the specific model are different, the above pictures are only for reference , you can contact our sales staff for further details on the specific verification.
B/L of the History Trading
