Air Quality Sensor (MQ-135)
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Description
Features Wide detecting scope Fast response and High sensitivity Stable and long life Operating Voltage is +5VDC Detect/Measure NH3, NOx, alcohol, Benzene, smoke, CO2, etc. Analog output voltage: 0V to 5V Digital output voltage: 0V or 5V (TTL Logic) Preheat duration 20 seconds Can be used as a digital or analog sensor The Sensitivity of digital output can be adjusted using on board potentiometer The TTL output valid signal is low. (When the output is low, the signal light is on, it can be directly connected to the MCU or relay module) The voltage of the analog output, the higher the concentration, the higher the voltage. Arduino compatible Comes with 4 mounting screw holes (M3 or 3mm size) Product dimensions: 32 (L) * 20 (W) * 22 (H)
Specifications
- SKU
- MES-219
