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MQ131 Ozone Gas Sensor (High Concentration) | O3 Sensor 10–1000ppm for Industrial Use

1,770.00 Price With Tax

Buy MQ131 High Concentration Ozone Gas Sensor for detecting 10–1000 ppm O3. Ideal for industrial ozone monitoring, generators, and Arduino projects.

SKU: AA-O3-MQ131H-SEMI Category: Brand:

Parameter

Details

Product Model

MQ131 (High Concentration)

Sensor Type

Semiconductor (SnO₂)

Gas Detected

Ozone (O₃)

Detection Range

~10 ppm to 1000 ppm (approx.)

Output Signal

Analog (resistance change)

Heater Voltage

5V

Preheat Time

≥ 24 hours recommended

Response Time

Fast

Operating Temperature

-10°C to +50°C

Humidity Range

15%–90% RH

15 Days Warranty

This product comes with a 15-day warranty starting from the date of delivery. The warranty covers manufacturing defects only. If a defect is confirmed, the item will be replaced.

Warranty will not apply if:

  • The product has been misused, dropped, or damaged.
  • It has been exposed to water, fire, chemicals, or static discharge.
  • It has been tampered with, soldered, or altered in any way.

 

The MQ131 Ozone Gas Sensor (High Concentration) is a semiconductor-based gas sensor specifically designed to detect high levels of ozone (O₃). Unlike the low concentration variant, this version is optimized for environments where ozone levels are significantly elevated, such as industrial applications and ozone generation systems.

Using SnO₂ (tin dioxide) sensing material, the sensor detects ozone through changes in resistance, providing an analog output that can be easily interfaced with microcontrollers and embedded systems.

Key Features

  • Designed for high concentration ozone detection
  • Semiconductor (metal oxide) sensing technology
  • Detection range suitable for industrial ozone levels
  • Analog output based on resistance variation
  • Fast response and recovery time
  • Long operational lifespan
  • Cost-effective solution for ozone monitoring
  • Compatible with Arduino, Raspberry Pi, and PLC systems

Applications

The MQ131 high concentration sensor is widely used in:

  • Industrial ozone monitoring systems
  • Ozone generators and sterilization equipment
  • Water treatment and ozonation systems
  • Ozone leakage detection in high-risk areas
  • Environmental monitoring in industrial zones
  • Research and laboratory setups

Why Choose MQ131 (High Concentration)?

The MQ131 high concentration version is ideal for cost-effective monitoring of elevated ozone levels, especially in industrial environments.

Key advantages:

  • Suitable for detecting high ppm ozone concentrations
  • Affordable alternative to electrochemical sensors
  • Easy integration with microcontrollers and control systems
  • Robust and durable for industrial use

Installation & Usage Tips

  • Preheat sensor for at least 24 hours before use
  • Calibrate using known ozone concentrations if possible
  • Use proper load resistance for accurate readings
  • Avoid exposure to interfering gases for better accuracy
  • Ensure adequate airflow around the sensor
Weight 0.150 kg
Dimensions 12 × 6 × 6 cm

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