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MQ-131 Ozone Gas Sensor Module – High-Level Gas Detection
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The MQ-131 Ozone Gas Sensor Module is a sensitive and practical ozone sensor module designed for detecting ozone (O₃) in the surrounding environment. It uses SnO₂ as its sensing material, which has relatively low conductivity in clean air but increases in conductivity when exposed to ozone. This change can be measured through a simple electronic circuit and converted into an output signal corresponding to the gas concentration.
The MQ-131 ozone gas sensor also shows sensitivity to gases such as chlorine (Cl₂) and nitrogen dioxide (NO₂), making it useful for a variety of gas detection and environmental monitoring projects. It can be integrated with Arduino and other microcontroller-based systems for DIY ozone gas detector, air-quality monitoring, and gas-sensing applications.
| Specification | Details |
|---|---|
| Gas Detected | Ozone (O₃) |
| Sensing Material | SnO₂ |
| Sensitivity | High |
| Operating Voltage | 5V DC |
| Heating Voltage | 5V DC |
| Load Resistance | Adjustable |
| Concentration Range | 10–1000 ppm |
| Operating Temperature | -10°C to 50°C |
| Dimensions | 32 × 22 × 20 mm |
| Weight | Approximately 5 g |
| Output Signal | Analog |
| Preheat Time | Approximately 48 hours |
| Response Time | <10 seconds |
| Recovery Time | <30 seconds |
| Lifespan | >5 years |
| Sensitivity Adjustment | Potentiometer |
| Circuit Compatibility | Analog and Digital |
| Applications | Air Quality Monitoring, Ozone Detection |
| Package Type | DIP (Dual Inline Package) |
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While the product has always been good and have never found a faulty one, the experience of purchase from Robocraze has also always been a wonderful one. On time delivery, well packaged, no follow up or reminder, easy tracking etc. Great work team, keep it up !!
It is Amazing and great item in this price
Veri usefull and cheap price from other shopping site, I use this module many project. Thank you robocraze
Components are good - nice packing
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