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Edit ContentMQ-Q135 for Air quality
Category: Semiconductor Sensor
Publish Time: 2014-01-09 00:03
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MQ-Q135 gas sensor has high sensitity to Ammonia, Sulfide and Benze steam, also sensitive to smoke and other harmful gases. It is with low cost and suitable for different application.
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Model No.
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MQ-Q135
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Sensor Type
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Semiconductor
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Standard Encapsulation
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Bakelite (Black Bakelite)
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Detection Gas
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Ammonia, Sulfide, Benze
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Concentration
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10-10000ppm
(Ammonia, Benze, Hydrogen) |
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Circuit
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Loop Voltage
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Vc
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≤24V DC
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Heater Voltage
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VH
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5.0V±0.2V AC or DC
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Load Resistance
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RL
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Adjustable
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Character
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Heater Resistance
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RH
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31Ω±3Ω（Room Tem.）
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Heater consumption
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PH
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≤900mW
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Sensing Resistance
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Rs
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2KΩ-20KΩ(in 100ppm NH3 )
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Sensitivity
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S
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Rs(in air)/Rs(100ppm NH3)≥5
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Slope
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α
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≤0.6(R100ppm/R50ppm NH3)
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Condition
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Tem. Humidity
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20℃±2℃; 65%±5%RH
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Standard test circuit
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Vc:5.0V±0.1V；
VH: 5.0V±0.1V
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Preheat time
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Over 48 hours
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