Products
Toxic Gas Sensor
for hydrogen fluoride gas detection of chemical industry
Application:
Extensive suitable for industrial and environmental protection field of hydrogen fluoride detection.Product characteristics:
Low power consumptionDescription
The MQ-E4-HF hydrogen fluoride sensor is a fixed potential electrolytic sensor, Hydrogen fluoride gas releases a series of REDOX reactions inside the sensor The discharge charge forms a current, the magnitude of which is proportional to the hydrogen fluoride concentration Following Faraday's Law, fluorination is determined by measuring the size of the electric current Hydrogen concentration.
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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