| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a gas alarm device for notifying an operator of a process, from a normal state up to an abnormal state. <P>SOLUTION: A gas alarm device 1 is provided with a carbon monoxide sensor 8B for detecting carbon monoxide; a pilot lamp 5 and a speaker section 7 for outputting alarm information, when a detection value from the carbon monoxide sensor 8B exceeds a prescribed value; and a display section 3 for continuously displaying the detection value with a numerical value during a period ranging from a normal state, as a state before the detection value exceeds the prescribed value up to an abnormal state as a state, after the detection value exceeds the prescribed value. <P>COPYRIGHT: (C)2011,JPO&INPIT |
