S4-HFTsensor is a constant potential electrolytic sensor. The hydrogen fluoride and oxygen will undergo the corresponding redox reaction on the working electrode and the counter electrode respectively and release the charge to form a current. The current generated is proportional to the concentration of hydrogen fluoride. The concentration of hydrogen fluoride can be determined by measuring the current.
Item | Parameters |
model | S4-HF |
Detection principle | ElectroChemical Three Electrodes |
Detection gas | HF |
Detection range | 0-10PPM |
Maximum load concentration | 50PPM |
output signal | -300±100nA/PPM |
Zero drift | 0~0.1PPM |
Resolution | 0.1PPM |
Response time | ≤120s |
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 50PPM |
Work pressure | 90 to 110 kPa |
Shelf life | 12 months after delivery |
Service life | 2 years |
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