


| Test principle | Dry and wet oxygen |
| Test medium | Simultaneous monitoring of humidity and oxygen |
| Test range: | Volume percentage: 0-40% Vol |
| Oxygen | 0-25% |
| Working temperature | Instrument: - 30 ~+ 75 ℃, probe rod 0 ~ 190 ℃, working environment of sensor: 0-400 ℃ |
| Measurement accuracy | Vol < ± 1.5% FS O2 < ± 2% FS |
| Repeatability | < ± 1.5% VO, O2 < 2% |
| Stability | < 2% vol / year, O2 < 3% / year |
| Initialization time | 120 seconds |
| Response time: | T90 < 30s |
