Overview
The intrinsically safe amplifying telephone for mining is suitable for workplaces such as underground mines and coal preparation plants with gas and coal dust explosion hazards, and can be used for communication and contact in coal mines; Mainly used in areas such as inclined shafts, tunnels, belts, etc. where communication needs to be done.
Product model and main functions
KTK18-D intrinsically safe amplifying telephone for mining use
Main functions: calling, tapping, voice alarm
Main technical parameters
Working voltage: DC18.0V; Voltage fluctuation: DC: 15V~24V; Operating current: ≤ 250mA;
Battery pack parameters: Nickel hydrogen AAA (1.2V x 8 cells in series), 1500mAh; Rated voltage (Ve): 9.6V;
Open circuit voltage of battery pack: 12V; working current of battery pack: ≤ 1A.
CAN transmission parameters:
a) Transmission methods: master-slave, asynchronous, half duplex, CAN bus
b) Number of interfaces: 1 channel;
c) Transmission rate: 10Kbps; Loudspeaker sound intensity ≥ 95dB