| Test principle | wet-dry oxygen principle(ceramic humidity sensing) |
| Display mode | 4 bits LED display |
| Test range | 0 ~ 50/85(%VOL or Kpa)H2O |
| Accuracy | ≤±2%FS |
| Repeatability | ≤±1% |
| Response time | T90≤30S |
| 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 one way/ two way communication port, baud rate 4800, 9600, 19200bps optional |
| Power supply | AC100 ~ 240V 50/60Hz |
| Sample gas temperature | 0 ~ 170℃ |
| Sampling mode | sample gas pass-in |
| Gas circuit port | NPT 1/4 internal thread |
| Sample gas composition | no flammable gas, no strongly corrosive gas, the dust amount less than 1mg/Nm3 |
| Appearance Size | 110mm×220mm×250mm(H×W×D) |
| Serving life | >24 months (under normal use) |
| Install mode | wall mount |