The S4CH3SH methanethiol gas detection sensor is a constant potential electrolytic sensor. Methanethiol and oxygen undergo corresponding redox reactions on the working electrode and counter electrode, respectively, releasing charges and forming an electric current. The magnitude of the generated current is directly proportional to the methanethiol concentration. The concentration of methanethiol can be determined by measuring the magnitude of the current.
| Item | Parameters |
| Model | S4CH3SH-10 |
| Detection principle | Electrochemical three electrodes |
| Detection gas | Methanethiol |
| Detection range | 0-10PPM |
| Maximum load concentration | 20PPM |
| Sensitivity | 700±150nA/PPM |
| Zero drift | 0~1PPM |
| Resolution | 0.1PPM |
| Response time | ＜40s |
| Bias voltage | 0 mV |
| Load resistance | 5~30Ω |
| Working Temperature | -30℃-50℃ |
| Working Humidity | 15%RH ~ 90%RH(no condensation) |
| Repeatability | ＜±2% |
| 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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