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| Measuring principle | Infrared absorption |
| Measurement Range | 0...2000ppm NO 0...200Vol.-%CO2 0...2000ppm SO2 0...250Vol.-%CO2 |
| Accuracy | ±2% of full range（const.humid.） |
| Repeatability | ±0.5％（at zero） ±0.5％（at span） |
| Baseline noise | ±0.5％of range |
| Signal response time | t 90<2sec. (at 60 l/h) t 90<1sec. (at 180 l/h) |
| Operating Temperature | 0-45℃ |
| Temperature coefficient | <1% of range /10k |
| Warm-up time | <3 min.(full specification) |
| Output | digital,RS232 analogue,50...1050mV,linear |
| Input Voltage | 5v,dc |
| Power consumption | 8w |
| Dimensions | 290×100×48mm |
| Software | PC-operating software vs.RS232 |
可同时测量SO2、NO、O2、CO2四种气体成分，气体干扰有效补偿，为CEMS系统设计节约成本，亦可增加CO、NO2两种测量组分
