| Test principle | micro-fuel cell |
| Display mode | 128*64 matrix dot LCD |
| Test Range | 0 ~ 10/100/1000ppm,1.00%,25.00% O2 |
| Resolution | 0.1ppm |
| Accuracy |
0~1000ppm /1.00%/10.00% /25.00% ≤±1% FS 0~100ppm ≤±2% FS 0~10ppm ≤±5%FS |
| Repeatability | ≤±1% |
| Response time | T90≤60S |
| Analog output |
4~20mA.DC(non-isolated output, loaded resistance lower than 500 Ohm) 0~10V.DC(non-isolated output, loaded resistance higher than 10k Ohm) 1 way programmable alarm output (Dry contact type, maximum load 220VAC/2A) |
| Communication Port | RS232 (default) or RS485 |
| 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 | 177mm×251mm×343mm (H×W×D) |
| Install Hole Cut | 179mm×213mm (H×W) |
| Serving life | >24 months(under normal use) |
| Gas circuit port | NPT 1/8 internal thread |
| Install mode | frame mount |