PURPOSE: An apparatus for checking battery connection and charging of an automatic fire extinguisher is provided to allow a microcomputer to know disconnection, charging and an overcharged state according to whether there is a charging power source of a battery. CONSTITUTION: An apparatus for checking...
PURPOSE: An apparatus for checking battery connection and charging of an automatic fire extinguisher is provided to allow a microcomputer to know disconnection, charging and an overcharged state according to whether there is a charging power source of a battery. CONSTITUTION: An apparatus for checking...