BL-MQ-131L Low Concentration Ozone Gas Sensor
BL-MQ-131L
BL-MQ-131L ozone sensor has good sensitivity to ozone in a wide concentration range. It has the advantages of long life, low cost, and simple drive circuit. It is widely used in household alarms for ozone concentration exceeding the standard and industrial ozone concentration exceeding the standard. Alarms and portable ozone concentration detectors.
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The gas-sensitive material used in the BL-MQ-131L low concentration ozone sensor is a semiconductor metal oxide with high conductivity in clean air. When there is ozone in the environment where the sensor is located, the conductivity of the sensor decreases as the concentration of ozone gas in the air increases. A simple circuit can be used to convert changes in conductivity into an output signal corresponding to that gas concentration.
BL-MQ-131L ozone sensor has high sensitivity to ozone, and also has certain sensitivity to strong oxidizing gases such as chlorine and nitrogen dioxide. It reacts in the opposite direction to ozone to organic interfering gases.
- Model: BL-MQ-131L
- Type: Semiconductor ozone gas sensor
- Brand name:GBeelee
- Purpose:low concentration ozone detection
- Detection range: 10~1000ppm (ozone)
- Output: ≥1.0V (in 200ppb O3)
- Heater consumption: ≤800mW
- Standard test circuit: VH: 5V±0.1V; VC: 5.0V±0.1V
- Loop voltage: 5.0V±0.1V DC
- Lifespan: 10 years
- Heater resistance: 35±3 (room temperature)
- Heater voltage: 5V±0.1V AC or DC
- temperature. Humidity: 20℃±2℃; 55%±5%RH
- Warm-up time: more than 48 hours
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