Sensor
MQ-2 Smoke Detection Sensor
- Operating Voltage is +5 V
- Can be used to Measure or detect LPG, Alcohol, Propane, Hydrogen, CO and even Methane
- Preheat duration 20 seconds
- Can be used as a Digital or Analog sensor
- The Sensitivity of Digital pin can be varied using the potentiometer
₹199.00
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MQ-2 gas Sensor can detect gas concentrations anywhere from 200 to 10000 ppm. MQ-2 sensor is very sensitive to Propane, Hydrogen, Methane and LPG. The MQ-2 series of gas sensors use a small heater inside with an electro-chemical sensor. They are sensitive for a range of gasses and are used indoors at room temperature.
Technical Specifications
- Operating Voltage: +5V
- Response Time: <10s
- Recovery time: <30s
- Analog output voltage: 0V to 5V
- Digital output voltage: 0V or 5V (TTL Logic)
- Concentration: 300-10000 ppm(Combustible gas)
- Heating Current: <181mA
- Heating Power: <900mW
- Ambient Temperature: -20°C to +55°C
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Sensor
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- Working Voltage : 5 V(DC)
- Static current: Less than 2 mA
- Output signal: Electric frequency signal
- Sensor angle: <15 degrees
- Detection distance: 2 cm-450 cm
- High precision: Up to 2 mm
- Input trigger signal: 10 us TTL impulse
- Echo signal: output TTL PWL signal
SKU: STEM18078
