PORTABLE FLUE GAS ANALYZER (MODEL : ATS 206A) A Small, Handheld and a convenient instrument to test & achieve optimum combustion efficiency in boilers & furnaces. A dire necessity in today’s world of ever increasing Fuel costs. A great value for money with quick pay back period of few months. (CO, CO2, O2, SO2, Temp.) Specifications: Accuracy : +/-1% Display : 128 x 64 Graphics LCD Sampling : Auto Suction Sampling Zero Calibration: Automatic at instrument start up with fresh air sample. Power Supply : lithium Rechargeable battery Response Time: 30 seconds at 95% variation. Operating Temperature: -5 to 55deg.C Data Logger with USB Computer Interface .