GAS ALARM

PROBLEM TO BE SOLVED: To provide a gas alarm allowing inspection gas to positively reach a gas sensor with simple, inexpensive constitution. SOLUTION: The gas alarm is equipped with a casing comprising an upper case 13, a decorative panel 14 and a lower case 11, and storing each component. The gas alarm is provided with a gas sensor 15 provided with an air hole 31a into which gas to be sensed flows, and a gas inflow port 31c into which the inspection gas flows; a gas supply guide 21 wherein a gas supply port 21b abutting on an inspection gas supply aperture 14f bored in the decorative panel 14, to allow the inspection gas to flow therein, and an opening 21d formed in a position to face the gas inflow port 31c of the gas sensor 15, are in communication with each other; and a distributing board 12 wherein a through hole 12d into which the gas supply guide 21 is fitted, is bored adjacently to the stuck position of the gas sensor 15. COPYRIGHT: (C)2007,JPO&INPIT