FIELD: instrument making.
SUBSTANCE: invention is related to devices for precision measurement of heat amount. Precision thermoelectric detector of heat amount additionally comprises laser, mirrors for multiple reflection of laser beam, photodetectors for registration of laser beam shift, mirrors are installed with the possibility of approaching in process of heating of precision thermoelectric detector with provision of shift of beam emitted by laser. Method is used, in which temperature variation results in variation of detector heat receiver geometric dimensions.
EFFECT: higher accuracy of heat amount measurement.
1 dwg
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