SMLFO2-25 Lead-Free Oxygen Sensor is a mini lead-free long-life sensor. It utilizes the reduction reaction of oxygen on the working electrode and the oxidation reaction on the counter electrode to generate an electric current. The magnitude of this current is directly proportional to the oxygen concentration. By measuring the current, the oxygen concentration can be determined.
| Item | Parameter |
| Model number | SMLFO2-25% |
| Detection principle | Electrochemical three electrodes |
| Detection gas | O2 |
| Detection range | 0-25%VOL |
| Maximum load concentration | 30%VOL |
| Output Signal | 100±20㎂ in air |
| Zero Drift | 0.6%VOL |
| Resolution | 0.1%VOL |
| Response time | ＜20s |
| Bias Voltage | -600 mV |
| Load resistance | 10Ω |
| Temperature range | -30℃-50℃ |
| Humidity range | 15%RH to 90%RH (no condensation) |
| Repeatability | 2% output signal |
| Long-term stability | ＜5% signal/year |
| Linearity | Linearity, S = K loge (1/1-C) |
| Work pressure | 90 to 110 kPa |
| Shelf life | 12 months after delivery |
| Service life | 5 years |
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