If the previously stored history indicates a fire related profile, such as a relatively gradual increase in smoke level over a period of time, the signal from that detector is regarded as being indicative of smoke and an alarm is indicated. If the signal from the detector shows a relatively ...
fire alarm noun a signal that warns that a fire has started. a bell, buzzer, siren, horn, etc., that provides such a signal. Discover More Word History and Origins Origin offire alarm1 An Americanism dating back to1840–50 Discover More...
16721 fire alarm sytem.r1火警系统英文标准规范.docx,SECTION FIRE ALARM SYSTEM ___ SECTION FIRE ALARM SYSTEM ___...
Addressable Fire Telephone System Fire Alarm System etc Others Find Similar Products By Category Supplier Homepage Products Fire Alarm System Two Wire Addressable Fire Alarm System Factory 110 VAC or 220VAC Wire/Wireless Addressable Fire Alarm Control...
Fire has played an important role in human life since the dawn (黎明) of history. It allows us to produce light and heat, to cook food, etc. The discovery of fire, or, more precisely(准确地), the use of fire, was one of mankind’s first great innovations (新发明,改革).Long long...
Building insurance providers typically provide premium discounts for buildings protected by an fire alarm system monitored and serviced by a qualified central station service provider. As history progressed, the NFPA Technical Committees recognized the need for formal requirements for central station ...
Fire Alarm: Reading Walter Benjaminʼs ʻOn the Concept of Historyʼ Fire alarm : reading Walter Benjamin's 'On the concept of history' Michael Löwy ; translated by Chris Turner Verso, 2005 E Leslie - Verso 被引量: 45发表: 2006年 Fire detector and fire alarm system having circuitry...
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the control system on computer,a new fieldbus-based fire alarm safeguard supervisory system was put forward in this article.Furthermore a typical fieldbus technology——controller area network(CAN) and its related problems such as history,performance,specification,implementation etc.have thoroughly ...