... in accordance with non-light-disguising infrared absorption method, via micro-computer analysis, directly measure the thickness of HC, CO ... manufacturing factories, vehicle inspection stations and garages.The main technical parameters:1,Measurement range: CO:0-10.0 10 ... ~105kPapower :AC 220V±10%;50Hz7,Preheat time:10min8,Sampling method:directly sampling9. weight :14kg10 .packing size:610x500x330mm SV- ...