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  • MQ131 Ozone Gas Sensor Module

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MQ131 Ozone Gas Sensor Module

  • Stock: 1
  • SKU: 1820 | DAB107
  • Rs. 2,596.86 (inc GST)
    Rs.2,200.73 + GST

    Qty :

GST Invoice on all Purchase. So you will be eligible to take input tax credit.

IF component not in Stock or require more quantity or want to buy in bulk e-mail us your requirements on: dnatechindia "at" gmail.com.

Shipping : Due to Covid-19 situation delivery will be affected. Delivery period due to covid-19 issue will be from 4 - 12 days depending upon your location.

MQ 131 Ozone Gas Sensor Module

MQ131 Gas Sensor can be used to monitor the concentration Ozone Gas.

This Module simplifies using the MQ-131 gas sensor by providing digital as well as analog output which can be interfaced to Microcontrollers, Arduino and Raspberry pi.

Sensitive material of MQ131 gas sensor is O3 SnO2, which with lower conductivity in clean air. When Ozone gas exists. The sensor’s conductivity is more higher along with the gas concentration rising. Please use simple electrocircuit, Convert change of conductivity to correspond output signal of gas concentration. MQ131 gas sensor has high sensitity to Ozone, also sensitive to O3 CL2, NO2, etc.

We have Various sizes of Gas Sensor Check out our complete collection of Gas Sensor.


If you are in Nashik you can buy this Electronic Component at our local shop at New CBS, Nashik or you can place order online and get it delivered at your doorstep anywhere in India.

Features Of MQ 131 Ozone Gas Sensor Module

  • With the signal light indicates the output;
  • The dual signal output (analog output, and Digital TTL-level output);
  • TTL output valid signal is low; (low output signal light, can be accessed by the microcontroller IO port)
  • The analog output increases with the concentration, the higher the voltage the higher the concentration;
  • The ozone gas with high sensitivity (detection concentration range 10PPB-2PPM Ozone)
  • With a long life and reliable stability;
  • Fast response characteristics;
  • With mounting holes to facilitate fixed installation;
  • The probe can plug design for easy testing.

Specifications Of MQ131 Gas Sensor Ozone Module

  • Model No. : MQ-131
  • Sensor Type : Semiconductor
  • Standard Encapsulation : Stainless steel
  • Detection Gas : Ozone
  • Concentration : 10PPB-2PPM Ozone
  • Loop Voltage Vc : =24V DC
  • Heater Voltage VH : 5.0V±0.2V AC or DC
  • Load Resistance RL : Adjustable
  • Heater Resistance RH : 31O±3O Room Temp
  • Heater consumption PH : =900mW
  • Sensing Resistance Rs : 50KO-500KO(in 50ppm O3)
  • Sensitivity(S) : Rs(in air)/Rs(in 50ppm O3)=3
  • Slope(a) : =0.6 (R50ppm/R10ppm O3)
  • Tem. Humidity : 20°C±2°C; 65%±5%RH
  • Standard test circuit :   Vc:5.0V±0.1V
                                      VH:5.0V±0.1V
  • Preheat time : Over 48 hours

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