Products
Toxic Gas Sensor
for environmental protection gas monitoring
Application:
For detecting HCl in industry, mine, or environmental protection fieldProduct characteristics:
Be stable1. Description
MQ-E3-HCl is the sensor of fixed potential electrolysis type. By redox reaction, HCl and O₂release charge and form the current. The value of current is proportional to the concentration of HCl and follow the Faraday’s Law. By testing the value of current, the concentration of HCl is known.
2. Application
Widely used in industry, mine, or environmental protection field for detecting HCl.
3. Appearance and dimension
4.Technical specification
| project | parameter |
| Detected gas | chlorine hydride (HCl)E3 |
| range | 0~20ppm |
| Maximum measurement range | 200ppm |
| sensitivity | (0.8±0.4) µA/ppm |
| resolution ratio | 0.1ppm |
| Response time (T90) | ≤30S |
| bias voltage | 0mV |
| Load Resistance | 10 Ω |
| repeatability | ＜2﹪ |
| Stability (/ month) | ＜2﹪ |
| Output linearity | linear |
| zero drift (-20℃~40℃) | ≤0.2ppm |
| temperature range | -20℃~50℃ |
| Humidity range | 15﹪~90﹪RH |
| pressure range | Standard atmospheric pressure is±10 |
| life span | 2 years |
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