Products
Toxic Gas Sensor
for environmental protection gas monitoring
Application:
For detecting HF in industry, mine, or environmental protection fieldProduct characteristics:
Be stableDescription
MQ-E3-HF is the sensor of fixed potential electrolysis type. By redox reaction, HF and O₂release charge and form the current. The value of current is proportional to the concentration of HF and follow the Faraday’s Law. By testing the value of current, the concentration of HF is known.
Specifications
| project | parameter |
| tracer gas | hydrogen fluoride (HF) |
| range | 0~10ppm |
| Maximum measurement limit | 100ppm |
| sensitivity | (0.40±0.15) µA/ppm |
| resolution ratio | 0.1ppm |
| Response time (T90) | ≤90S |
| Load Resistance(recommended) | 0mV |
| bias voltage | 10 Ω |
| repetitiveness | ＜2﹪ |
| Stability (/ month) | ＜2﹪ |
| Output linearity | linear |
| Zero-point drift (-20℃ ~40℃) | ≤0.2ppm |
| temperature range | -20℃~50℃ |
| Humidity range | 15﹪~90﹪RH |
| pressure limit | Standard atmospheric pressure is ± 10 |
| life length | 2 years |
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