Smoke sensor supply GQQ0.1

GQQ0.1 smoke sensor 

 Rubber is mainly used for coal mine, coal dust, etc. from the heat due to friction or other causes smoke monitoring. The use of advanced gas sensor probe, after a special circuit processing. Sensitive, reliable, accurate action, without tripping characteristics. Shell small size, easy to use, install the smoke alarm is the ideal components. 

 Explosion-proof type: intrinsically safe mining 

 Explosion-proof mark: ExibI. 

 Technical performance 

 a, voltage fluctuation allowed range: -25% to +10%; 

 b, working voltage: DC12V, Current 150mA; 

 c, recovery time: more than 5 seconds. 

 d, the sensor-to-host transmission distance not less than 1000m, (single-core cross-sectional area of ??1.5mm2) 

 e, the output signal of the sensor system should be consistent with MT209-1990 and the provisions of Article 5.3 should be smoke-free detection of (5-10V), smoke alarm ≤ 0.5V 

 F, the sensor sensitivity and response time 

 When the smoke concentration 0.1mg/m3, the sensor's response time ≤ 30s. Sensitivity of the sensor class II. 

 Connected to the power supply, its green light, to be stable after 10 minutes, the green off the red light, indicating that thermal stabilization time of the end of the probe detection, the sensor into the measurement mode. When a small amount of smoke into the smoke chamber, the red light flashing at the same time control the three MOSFET, output low, the relay is closed. Achieve automatic fire protection or smoke. 





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