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Products

H2 Sensor

MQ-E4-H2 Electrochemical Gas Sensor

Application:

Widely suitable for industrial and environmental protection field of hydrogen testing

Product characteristics:

high precision
high sensitivity
wide linear range
Low power consumption
strong anti-interference ability
excellent repeatability and stability

1. Description

MQ-E4-H2 is the sensor of fixed potential electrolysis type. By redox reaction, Hand Orelease charge and form the current. The value of current is proportional to the concentration of H. By testing the value of current, the concentration of H₂ is known.

2. Appearance and dimension

 

3. Technical specifications

MediaH2
Testing range0-1000ppm (2000ppm Max.).
Sensitivity0.01±0.005μA/ppm
Resolution ratio2ppm
Load resistor10Ω
Repeatability<2% output value
Stability(per month)<2% output value
Bias voltage0mV
Output linearitylinearity
Zero drift(-20℃~+40℃)≤20ppm
Temperature range-20℃~+50℃
Humidity15%-90%RH
Response time≤90s
Pressurestandard air pressure±10%



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