FIELD: instrumentation.
SUBSTANCE: invention relates to thermometry and can be used for heated metal temperature evaluation. Proposed process comprises electric power feed to heater depending on measured temperature. Rate of electric power amount feed varying in time is calculated. Calculated feed is compared with multiple known values to define the parameter related to thermal properties of heated material. Predicted temperature is calculated proceeding from definite magnitude of said parameter. In compliance with some versions, proposed method can additionally comprise determination of heated material temperature drop by detection of changes in calculated rate whereat electric power feed amount varies in time.
EFFECT: higher accuracy of heated material temperature determination.
15 cl, 13 dwg
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