Model: FD-HF-SENSOR
Datasheet: Click Here PDF
Availability: Usually in stock
Compatible: FD-90A-HF
These are generic HF sensors used as the pin-to-pin replacement of the standard 4-series electrochemical sensors. It is used throughout many gas detector brands and is an excellent HF gas sensor replacement element.
Our HFT sensor employs an advanced electrolytic mechanism where hydrogen fluoride and oxygen interact through precise redox reactions on specialized electrodes. By generating an electrical current directly proportional to the gas concentration, this sophisticated sensor enables accurate measurement of hydrogen fluoride levels. The current’s magnitude provides a quantitative assessment of HFT presence in various industrial and environmental monitoring applications.
Hydrogen fluoride detection technologies play a critical role across diverse industrial and environmental domains. From manufacturing facilities and mining operations to municipal infrastructure and atmospheric research, HFT detectors provide comprehensive gas concentration insights. These advanced sensing systems enable precise measurement, early warning mechanisms, and critical monitoring, supporting safety, environmental protection, and risk mitigation in multiple application sectors.
| Detection Principle | Electrochemical Three Electrodes |
| Detection Gas | HF |
| Detection Range | 0-10 PPM |
| Maximum Load Concentration | 50 PPM |
| Output Signal | -400±100 nA/PPM |
| Zero Drift | 0~0.1 PPM |
| Resolution | 0.1 PPM |
| Response Time | ≤90s |
| Bias Voltage | 0 |
| Load Resistance | 5~30Ω |
| Working Temperature | -30℃-50℃ |
| Working Humidity | 15%RH to 90%RH (no condensation) |
| Repeatability | <±2% output signal |
| Long-term Stability | <2% signal/month |
| Linearity | Linearity to 50 PPM |
| Work Pressure | 90 to 110 kPa |
| Shelf Life | 12 months after delivery |
| Service Life | 2 years |
| Interfering Gas | Gas Concentration Used (ppm) | Value Displayed (ppm HF) |
|---|---|---|
| CO | 100 | 0 |
| H2S | 20 | -15 |
| NO | 50 | 5 |
| NO2 | 10 | 13 |
| SO2 | 20 | 7 |





