Thispaperintroducesanewtemperaturemeasuringdevice.Ithasmanyadvantagesoverpreviousdevice.Itisintheindustryhasbeenwidelyapplied.Itcantestobjectsupto50differentkindsof.Ithasadvantagesofsimplestructure,easytocarry.Thepriceofsimilarimportedproductsofabout1/3.