Winsen MG812 Mini Size Solid Electrolyte CO2 Gas Sensor


In stock

SKU: 1278800
  1. Product: CO2 Gas Sensor
  2. Model: MG812
  3. Working temp Tao: -20~50℃
  4. Output signal EM F: ≧25mV/1000ppmCO2


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Brand: Winsen
Category: Gas and Dust Sensor

MG812 gas sensor is chemical type gas sensor that adopts solid electrolyte cell principle, used to detect carbon dioxide. When sensors are exposed to CO2, battery is positive and negative electrode reaction, the sensor produces electromotive force between sensitive electrode and reference electrode, the output voltage signal can be detected carbon dioxide.

CO2 Sensors are used to measure the levels of carbon dioxide (CO2). It is important to monitor this gas as it is an indicator of CO2 emission levels, ventilation quality and combustion industrial processes.


  1. Small sizes
  2. low power consumption
  3. high sensitivity and good selectivity
  4. Less affection by temperature and humidity
  5. Steady performance and repeatability

Package Includes:

1 x Winsen MG812 Mini Size Solid Electrolyte CO2 Gas Sensor

SKU: 1278800 Category:
Model No


Standard pack

Metal shell

Target gas


Detection range


Heater voltage

VH 5.0±0.1 V

Heater resistance

RH 56.0±3Ω

Heater current

IH 90±10mA

Heater consumption

PH 450±50mW

Working temp Tao


Storage temp


Zero EM F


Output signal EM F


Shipping Weight 0.001 kg
Shipping Dimensions 4 × 3 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China