S4-HCLThe hydrogen chloride gas detection sensor is a constant potential electrolytic sensor. The hydrogen chloride and oxygen will undergo corresponding redox reaction on the working electrode and the counter electrode respectively and release the charge to form a current. The generated current is proportional to the concentration of hydrogen chloride. The concentration of hydrogen chloride can be determined by measuring the current.
| Item | Parameters |
| model | S4-HCL |
| Detection principle | Electrochemical Three electrodes |
| Detection gas | HCL |
| Detection range | 0-50PPM |
| Maximum load concentration | 100PPM |
| output signal | 300±100nA/PPM |
| Zero drift | 0~5PPM |
| Resolution | 0.1PPM |
| Response time | <70s |
| Bias voltage | +200mv |
| 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 regression coefficient R²=0.999 |
| Work pressure | 90 to 110 kPa |
| Shelf life | 12 months after delivery |
| Service life | 2 years |
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