Mine environmental protection management system

First, the underground mine should be “five no, four, one neat”, that is, no wall powder, no water, five stones, no feces, no debris; roadway specifications, electrical lines, pipeline installation, transportation track standardization The materials are stacked neatly.

S

HN-6G wall-mounted speed monitor

HN-6G wall-mounted speed monitor usage instructions
HN-6G wall-mounted smart tachometer is an intelligent speed monitoring protection instrument using ARM as the core. The monitoring instrument has the following functions: speed monitoring, double upper alarm set point, 1 lower limit alarm