FIELD: metrology. SUBSTANCE: device has main and auxiliary closed circuits, as well as measuring and computing device. Main circuit consists of heat-carrier heating and cooling sections and test sections of heat counters being tested. Auxiliary circuit is connected to cooling and heating sections of main circuit through thermal pump. Heat-exchange surface on cooling section of main circuit represents heat-flow transducer connected to measuring and computing device. EFFECT: higher accuracy. 1 dwg
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