S4-THT tetrahydrothiophene gas detection sensor is a constant potential electrolytic sensor. The tetrahydrothiophene and oxygen will undergo the corresponding redox reaction on the working electrode and the counter electrode and release the charge to form a current. The generated current is proportional to the concentration of tetrahydrothiophene. The concentration of tetrahydrothiophene can be determined by measuring the current.
| Item | Parameters |
| Model | S4-THT |
| Detection principle | ELectrochemical Three Electrodes |
| Detection gas | THT |
| Detection range | 0-50mg/m³ |
| Maximum load concentration | 100mg/m³ |
| Output signal | 140±50nA/mg/m³ |
| Zero drift | 0~6mg/m³ |
| Resolution | 0.1mg/m³ |
| Response time | ＜60s |
| Bias voltage | 300mV |
| 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 100mg/m³ |
| Work pressure | 90 to 110 kPa |
| Shelf life | 12 months after delivery |
| Service life | 2 years |
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