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<p><span style=”font-size:18px;”><strong><span style=”font-family:Arial,Helvetica,sans-serif;”>Description</span></strong></span></p>
<p><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”font-size:14px;”>Sensitive material of MQ-2 gas sensor is SnO2, which with lower conductivity in clean air. When the target combustible gas exists, The sensor’s conductivity is more higher along with the gas concentration<br />
rising. Please use simple electrocircuit, Convert change of conductivity to correspond output signal of gas concentration.</span></span></p>
<p><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”font-size:14px;”>MQ-2 gas sensor has high sensitity to LPG, Propane and Hydrogen, also could be used to Methane and other combustible steam, it is with low cost and suitable for different application. </span></span></p>
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<p><strong><span style=”font-size:18px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Specification</span></span></strong></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Stable and Long Life</span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Target Gas: Smoke </span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Detection range: <br />
- </span></span><span style=”font-family: Arial, Helvetica, sans-serif; font-size: 14px;”>200ppm-5000ppm LPG and propane </span><br />
- <span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>300ppm-5000ppm butane<br />
- </span></span><span style=”font-family: Arial, Helvetica, sans-serif; font-size: 14px;”>5000ppm-20000ppm methane</span><br />
- <span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>300ppm-5000ppm H2<br />
- </span></span><span style=”font-family: Arial, Helvetica, sans-serif; font-size: 14px;”>100ppm-2000ppm Alcohol </span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Circuit voltage: 5V±0.1 AC or DC </span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Heater Voltage: 5.0V±0.1V AC or DC</span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Heating consumption: < 750mw </span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Operating Temperature: -10℃-50℃</span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Sensing Resistance: 3KΩ-30KΩ (1000ppm iso-butane ) </span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Dimensions: 20mm Diameter, 23mm High excluding pins</span></span></p>
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<p><a href=”https://www.mouser.com/datasheet/2/321/605-00008-MQ-2-Datasheet-370464.pdf”><span style=”color:#3498db;”><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Datasheet: MQ-2 GAS SENSOR</span></span></span></a></p>
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