FIELD: instrumentation.
SUBSTANCE: three versions of calorimeter of alternating temperature are proposed, comprising a calorimetric vessel filled with liquid with a chamber for performance of an investigated process, surrounded with a calorimetric shell, a temperature sensor of the calorimetric vessel and a computing unit to determine quantity of released heat by the method of thermal equivalent. In all versions of the calorimeter on the calorimetric shell there are temperature sensors additionally installed, which makes it possible to perform accurate measurement of shell temperature due to summation of readings of all thermometers on it. In the second version of the invention the calorimetric shell is made isothermal, in the third one - adiabatic, and the calorimeter is equipped with a shell heat controller.
EFFECT: increased accuracy of calorimetric measurements.
3 cl, 1 dwg
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