Products
Toxic Gas Sensor
Application:
Widely suitable for the detection of hydrogen cyanide in the fields of petroleum, petrochemical, pharmaceutical production and environmental protection.Product characteristics:
Low power consumptionDescription
The MQ-E3-HCN hydrogen cyanide sensor is a constant-potential electrolytic sensor. Hydrogen cyanide and oxygen undergo corresponding redox reactions at the working and counter electrodes, releasing charge and generating an electric current. The magnitude of the generated current is proportional to the concentration of hydrogen cyanide. The concentration of hydrogen cyanide can be determined by measuring the current.
Specifications
| Detection gas | HCN |
| Measurement Range | 0～100ppm |
| Max detecting concentration | 150ppm |
| Sensitivity | (0.1±0.02)μA/ppm |
| Resolution ratio | 0.2ppm |
| Response time(T90) | <120S |
| Bias voltage | 300mV |
| Load resistance | 10Ω(recommended) |
| Repeatability | <2%output value |
| Stability(/month) | <2% |
| Output Linearity | linear |
| Zero drift(-20℃~40℃) | 4ppm |
| Storage temperature | -20℃~50℃ |
| Storage Humidity | 15%～90%RH |
| Pressure range | Standard atmosphere ±10% |
| Anticipated using life | 2 years |
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