XM figure apperance gauge has higher accuracy, stronger antishock, freer installation, no sight error, distance using than XC series and TE series. Has binary, three, time, controlling silicon adjustment and so on. Also can has alarm function if you want, is the newer product of XC series, widely used in metalindustry, texile, plastic machine, fire case, freezing medcinery, -200 to 1600 degree celsius is the working station, also can be used in appearing and controlling for pressure, flow, liquid lever.