The MQ 135 Air Quality Sensor is a versatile hazardous gas detection apparatus designed for monitoring air quality in various environments, including homes, offices, and factories. It is capable of detecting a wide range of gases such as ammonia (NH3), nitrogen oxides (NOx), alcohol, benzene, smoke, and carbon dioxide (CO2). The sensor uses a semiconductor gas-sensitive element for reliable detection and features a simple drive and monitoring circuit, making it an ideal choice for air quality monitoring applications.
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Model: MQ 135
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Working Voltage: 5V
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Detection Range: 10-1000 ppm
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Output Voltage: 0~5V
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Target Gases: NH3, NOx, Alcohol, Benzene, Smoke, etc.
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Sensor Type: Semiconductor
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Load Resistance: 10K (variable via onboard potentiometer)
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Heating Current: ?150mA
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Heating Voltage: 5.0V ? 0.1V
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Power (Current): 150mA
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DO Output: 0.1V/5V
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AO Output: 0.1-0.3V
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Size: 32 x 20 x 22 mm
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