| Test principle | zirconia |
| Display mode | 5 bits LED display |
| Test range | 10/100/1000ppm, 21.000% O2/N2 |
| Accuracy | ≤±1.5% FS |
| Repeatability | ≤±1% |
| Response time | T90≤30S |
| Analog output |
4-20mA.DC(non-isolated output, loaded resistance lower than 500 Ohm) 1 way programmable alarm output (Dry contact type, maximum load 220VAC/2A) |
| Environment humidity | <90%RH |
| Power supply | AC85~264V 50/60Hz |
| Sample gas temperature | -10 ~ +50℃ |
| Sampling mode | sample gas pass-in |
| Sample gas flow | 300 ~ 500ml/min |
| Background gas | nitrogen and oxygen mixed gas |
| Appearance Size | 80mm×160mm×142mm(H×W×D) |
| Install Hole Cut | 75mm×151mm(H×W) |
| Serving life | >20000 hours (under normal use) |
| Gas cycle port | Φ6 plastic pipe inlet and outlet |
| Install mode | frame mount or retaining clap carried by the oxygen senso |