Products
Toxic Gas Sensor
For industrial hydrogen monitoring
Application:
For H2 detection in industrial and environmental field.Product characteristics:
Be stableDescription
The MQ-E3-H2 hydrogen sensor is a fuel cell type sensor. Hydrogen and oxygen undergo corresponding redox reactions at the working and counter electrodes, releasing charges and forming an electric current. The magnitude of the current is directly proportional to the hydrogen concentration and follows Faraday's law. By measuring the magnitude of the current, the hydrogen concentration can be determined.
Specifications
| Media | H2 |
| Testing range | 0-1000ppm (2000ppm Max.). |
| Sensitivity | 0.01±0.005μA/ppm |
| Resolution ratio | 2ppm |
| Load resistor | 10Ω |
| Repeatability | <2% output value |
| Stability(per month) | <2% output value |
| Bias voltage | 0mV |
| Output linearity | linearity |
| Zero drift(-20℃~+40℃) | ≤20ppm |
| Temperature range | -20℃~+50℃ |
| Humidity | 15%-90%RH |
| Response time | ≤90s |
| Pressure | standard air pressure±10% |
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