RA-500FP Series is one kind of SF6 gas Comprehensive Analyzer.In order to analyze accurate SF6 gas,it uses the miniature thermal conductivity detector,special gas path structure and precision electronic flow meter.It adopts high performance dew point transmitter of Finland Vaisala Company as the core meansurement unit of the entire system.It integrates multiple up-to-date research achievement and proprietary technology in measurement of dew point,and it has the function of Td automatic conversion on standard condition.