| Measuring principle | zirconium dioxide |
| Display mode | 128×64 dot matrix LCD |
| Range selectable | 0~10/100/1000ppm, 1.00%, 25.00% O2 |
| Resolution | 0.1ppm |
| Measurement accuracy |
0~1000ppm /1.00%/10.00% /25.00% ≤±1% FS 0~100ppm ≤±2% FS 0~10ppm ≤±5%FS |
| Repeatability | ≤±1% |
| Response time | T90<30S |
| Analog output |
4~20mA.DC (non-isolated output, load resistance less than 500 ohms) 0-10V output (non-isolated output, load resistance greater than 10K ohms) 1 way programmable dry contact passive alarm output, contact maximum capacity 220VAC/2A |
| Communication interface | RS232 (default) or RS485 |
| Working power | AC 170 ~ 265V 50 / 60Hz, power consumption is less than 10VA |
| Ambient temperature | -10 ~ +50℃ |
| Ambient humidity | <80% RH |
| Sample gas temperature | 0 ~ 200 ℃(in the case of sampling pipe is stainless steel pipe) |
| Sampling method | plug-in (diffusion) |
| Sample gas pressure | 86-106KPa, steady pressure atmosphere |
| Sample gas component | no flammable gas, no corrosive gas, the amount of dust is less than 1mg/Nm3 |
| Size | 155mm × 155mm × 118mm (H × W × D) |
| Hole size | 135mm × 135mm (H × W) |
| Service life | >24 months (under normal use conditions) |
| Air circuit interface | NPT 1/8 internal thread |
| Installation method | embedded installation |