Gas Annunciator Diagrams

Published:2011/9/6 21:21:00 Author:Vicky | Keyword: Gas Annunciator | From:SeekIC

DAP2101-GP1 combustible gas annunciator control system adopts plug-in annunciator and explosion-proof DTQB-518 type (three wire system, 4～20mA) combustible gas transmitter. When there is combustible gas in the air, the transmitter shall send out a proportional 4－20mA signal corresponding to the combustible gas concentration to the annunciator. The annunciator displays the percentage concentration of lower explosion limit. When the value of concentration reaches the pre-set annunciating value, the annunciator sends out sound and light alarming and control system to warning the operating personnel to take measures to guarantee safety in production and avoid explosive accident.



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