GQQ0.1 MINE Smoke sensor

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Feature mine intrinsically safe 2.volume small light weight 3.mine explosion proof type Description Monitoring in the coal mine machinery fault friction, heating cable, such as coal seam spontaneous combustion causes of fire accident Can be installed in the coal mine belt conveyor machine machine beside easy to fever For mine belt conveyor protection devices of the smoke protection signal detection Performance feature The installation of the sensor ,debugging and maintenance convenient and reliable Sensor uses type gas sensitive sensor components, sensitive, reliable, and correct action When measured smoke concentration is 0.1 mg/m3 or output low level signal to achieve smoke protection belt conveyor Technical parameters Explosion-proof type: mine intrinsically safe Explosion-proof sign: Exib IEnclosure protection class:IP54 Intrinsic safety parameters Ui:DC12.5V , Ii:80mA , Li:0mH , Ci:4.7μF Rated operational voltage: 12v Operating current: ≤80ma Action condition : ≥0.1mg/m3 Output signal: When a smoke-free state or smoke concentration less than 0.1 mg/m3 , Sensor output high level signal be equal or greater than 11VDC, When the concentration of smoke be equal or greater than 0.1mg/m3, The output low level signal is less than or equal to 0.5VDC . Action for two sensitivity level ,response time less than or equal to 30s

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jining hengwang

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