The use of single platinum-rhodium thermocouple method, according to the single platinum-rhodium thermocouple measurement of field and object, choosing appropriate maintenance paper tube length and suitable temperature measuring gun. Two, put hurtling thermocouple on the temperature measuring gun, and secondary instrument pointer ( Or digital display device) Back to zero, then explain the contact is good, can perform measurements. Third, hurtling thermocouple pull out the depth of the molten steel with 300-400 - mm advisable, measurement without to the wall or on pulp are, do it fast, steady, accurate, when; Secondary instrument bereft of consequences, should immediately carry guns, hurtling thermocouple immersion time in molten steel shall not exceed 5 seconds, otherwise easy to burn temperature measuring gun. Four, from furnace temperature measuring gun, removed using a thermocouple, and put on the new progress in a few minutes, prepare the next measurement. Not even measure even split, or form a platinum rhodium thermocouple temperature changing.
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