KTK18-D intrinsically safe amplifying telephone for mining useDetailed product description：

KTK18-D intrinsically safe amplifying telephone for mining is suitable for use in underground coal mines, open-pit coal mines, coal preparation plants and other workplaces with gas and coal dust explosion hazards. It can be used for communication and contact in underground coal mines. Mainly used for work faces, inclined shaft tunnels, belts and other areas that require marking and communication.

Main parameters of KTK18-D intrinsically safe amplifying telephone for mining use
Rated working voltage: DC18V; Working voltage range: DC14V-DC24V;
Loudness: not less than 85dB (A);
Internal power supply battery: nickel hydrogen lithium battery pack (nominal voltage of 9.6V);
Signal transmission method one: CAN bus, half duplex;
Signal transmission method two: RS485, half duplex;
Having address coding function;

Features of KTK18-D intrinsically safe amplifying telephone for mining use

It can simultaneously transmit sensor signals such as deviation, emergency stop, and tear without the need for additional cables, making installation convenient;  
Implement point and call functions along the line, accompanied by a red illuminated signal;  
When used in conjunction with the control box, it can achieve emergency stop lock and alarm functions along the line;