| Scale range | 100ppb to10ppm (Optional) |
| Concentration units | ppb,ppm,ug/m3,mg/m3 |
| Zero noise | 0.5ppb RMS |
| Range Noise | 0.5%.F.S |
| Detection limit | 1ppb |
| Zero drift | <1ppb /24h, <2ppb/7d |
| Span drift(24h) | <1%F.S./24h <2%F.S./7d |
| Linearity | <1%F.S. |
| Accuracy | <0.5% F.S |
| Response time T90 | <20s |
| Sample flow | (800+80)cc3/min |
| Working temperature | (5-40) ℃ |
| Humidity | (0 - 90%) RH |
| Instrument Size | 178mm×432mm×609mm |
| Weight | <15kg |
| Powered supply | 220VAC+10% |