Portable Gas Analyzer are compact, portable instruments that can measure a number of gases per customer request, including CO, CxHy, O2, CO2, NO, SO2, SOx, CH4, NOx, NO2, H2S, and NH3. The emission analyzer can be used as a service and maintenance tool to assist personnel in a variety of tasks, including maximising combustion system performance, enhancing fuel efficiency, and diagnosing combustion-related issues. These analyzers typically feature a 4 x 20 LCD backlit display, an RS 232 communication link, and other features. There are three calibration options: automatic, semi-automatic, and manual. RTC-equipped internal peripherals supply the date and time. The item weighs 6 kg and measures 230 L by 300 W x 110 mm in height.