S200 Pump suction type infrared gas analyzer adopts built-in power carbon film self-priming pump infrared detection principle, instrument is imported infrared sensor and advanced digital processing technology,  Can carry out continuous on-line analysis of the gas (CO2, CO, CH4 and NOX, SO2, etc). Chinese LCD display, sound and light alarm, long life, high sensitivity, fast response, can be set up alarm value, boot self-checking function, with functions of alarm record. used in petroleum, chemical, metallurgical and other industrial and agriculture, medical and health departments and so on.