| Test principle | micro-fuel cell |
| Display mode | 320×240 matrix dot LCD |
| Test Range | 0 ~ 10/100/1000ppm,1.00%,25.00% O2 |
| Accuracy |
0 ~ 1000ppm /1.00%/10.00% /25.00% ≤±1% FS 0 ~ 100ppm ≤±2% FS 0 ~ 10ppm ≤±5%FS |
| Resolution | 0.1ppm |
| Repeatability | ≤±1% |
| Response time | T90≤60S |
| Analog output |
4~20mA.DC (non-isolated output, loaded resistance lower than 500 Ohm) 0~5V.DC (non-isolated output, loaded resistance higher than 10k Ohm) 1 way programmable alarm output (Dry contact type, maximum load 220VAC/2A) |
| Power supply | AC170 ~ 264V 50/60HZ |
| Temperature of the sample gas | 0 ~ 50℃ |
| Sampling mode | Sample gas pass-in or extraction |
| Sample gas flow | 600 ~ 800ml/min |
| Working pressure(without pump) | 0.05Mpa≤entrance displayed pressure≤0.35Mpa, steady pressure environment |
| Working pressure(with pump) | micro positive pressure, micro negative pressure or ordinary pressure |
| Background gas | He, H2, CO2, N2 and inactive gas |
| Appearance Size | 400mm×300mm×200mm(H×W×D) |
| Serving life | >24 months(under normal use) |
| Gas circuit port | NPT 1/8 internal thread |
| Install mode | wall mount |