An apparatus for measuring the surface temperature of an object in an oven

METER OF THE SURFACE TEMPERATURE OF AN OBJECT. THIS PRODUCT CONTAINS A CYLINDER PROTECTION 6 HAVING OPEN END FOR THE PASSAGE OF A FIRST RADIATION 26 ISSUED ACCORDING TO THE TEMPERATURE OF SAID OBJECT 1; SOURCE 8, 47, 12, 48, housed in said CYLINDER HIDE THE EFFECT OF RADIATION INTERFERENCE GENERATED BASED ON THE ATMOSPHERE OF HIGH TEMPERATURE REIGNING INSIDE THE OVEN 2 AND MAKING A SECOND RADIATION 16 AND A DEVICE 14, 24 RADIATION DETECTION OF WHICH, mOUNTED TO OTHER END OF SAID CYLINDER PROTECTION dETECTED SEPARATELY SAID FIRST AND SECOND 26 16 RADIATION. SURFACE TEMPERATURE 1 SUBJECT IS DETERMINED BY THE VALUES RESULTING FROM THE DETECTION OF SAID FIRST AND SECOND RADIATION. APPLICATION TO MEASURING INSTRUMENTS.