| Test principle | Infrared principle |
| Display mode | 128×64 matrix dot LCD |
| Test range | 0 ~ 1000ppm/10.00% CO |
| Accuracy | ≤±1.2%FS |
| Repeatability | ≤±1% |
| Error | <±1.2%FS |
| 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 |
| Environment temperature | -10℃ ~ +40℃ |
| Environment humidity | <80%RH |
| Sampling mode | sample gas pass-in |
| Sample gas temperature | 0 ~ 50℃ |
| Sample gas flow | 400 ~ 800ml/min |
| Sample gas pressure | 0.05Mpa≤entrance displayed pressure≤0.35Mpa,steady pressure environment |
| Appearance Size | 133mm×268mm×300mm(H×W×D) |
| Install Hole Cut | 135mm×228mm(H×W) |
| Serving life | >24 months (under normal use) |
| Gas circuit port | NPT 1/8 internal thread |
| Install mode | frame mount |