发明名称 Device for monitoring the suction vent duct(s) of a smoke/gas detection system.
摘要 A monitoring device for checking faults, such as breach or clogging of a suction duct with one or more sampling points of a fire detection system, which system contains a source of a reactive agent gas connected to the input end of the duct, a sensor for this agent and an electronic signal handling system receiving the output of this sensor in order to detect faults in the duct.
申请公布号 EP0333290(A1) 申请公布日期 1989.09.20
申请号 EP19890200644 申请日期 1989.03.15
申请人 WESTINGHOUSE ELECTROTECHNIEK EN INSTRUMENTATIE B.V. 发明人 LABOUT, WHILHELMUS ALPHONSUS MARIA
分类号 G01M3/22;G01M3/28;G08B17/10;G08B17/117 主分类号 G01M3/22
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