The S4C2H3Cl vinyl chloride gas detection sensor is a constant potential electrolytic sensor. Vinyl chloride reacts with oxygen at the working electrode and counter electrode to undergo a redox reaction, releasing charges and forming a current. The magnitude of the current is directly proportional to the concentration of vinyl chloride, and the concentration of vinyl chloride can be determined by measuring the magnitude of the current.
| Item | Parameters |
| Model | S4C2H3Cl-20 |
| Detection principle | Electrochemical three electrodes |
| Detection gas | vinyl chloride |
| Detection range | 0-20PPM |
| Maximum load concentration | 50PPM |
| Sensitivity | 450±200nA/PPM |
| Zero drift | 0~1PPM |
| Resolution | 0.5PPM |
| Response time | ＜70s |
| Bias voltage | 300 mV |
| Load resistance | 5~30Ω |
| Working Temperature | -30℃-50℃ |
| Working Humidity | 15%RH ~ 90%RH(no condensation) |
| Repeatability | 2% output signal |
| Long-term stability | ＜2% signal/month |
| Linearity | Linear |
| Working pressure | 90 ~ 110 kPa |
| Shelf life | 12 months after delivery |
| Service life | 2 years |
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