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Smoke sensor GQQ0.1 from China Bafang with nice price
Product Introduction
Monitoring in the coal mine machinery fault friction, heating cable, such as coal seam spontaneous combustion causes of fire accident.
It can be installed in the coal mine belt conveyor machine.
For mine belt conveyor protection devices of the smoke protection signal detection
Performance feature
The installation of the sensor ,debugging and maintenance convenientand 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:Exib I
Enclosure protection class:IP54
Technology 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 smokefree 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
transmission distance : Between sensor and associated equipment transmission medium for mine
mobile light rubber set soft cable MYQ3×1.5mm2 ,connection, and host of the cable length less than or equal to 1000m.
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