GM-502B VOC gas sensor

Products

Air Quality (VOC) Sensor

GM-502B VOC gas sensor

Application:

Indoor air quality monitoring, mobile phones, computers and other consumer electronic products to detect air quality
Exhaled gas detector
Indoor smoke alarm

Product characteristics:

Adopts MEMS technology, with a solid structure and good shock resistance
Small size, low power consumption, high sensitivity, fast response recovery, simple driving circuit, good stability

1. Performance

GM-502B gas sensors use MEMS technology to make micro-hotplates on Si-based substrates. The gas-sensitive materials used are metal oxide semiconductor materials with low conductivity in clean air. When the sensor is in a gas environment, the conductivity of the sensor changes with the concentration of the detected gas in the air. The higher the concentration of the gas, the higher the conductivity of the sensor.

2. Appearance and dimension

3. Technical specifications

4. Basic Circuit

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