166502 ⎘
Measuring quantity of heat; Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device based upon measurement of temperature difference or of a temperature between an inlet and an outlet point, combined with measurement of rate of flow of the medium if such, by integration during a certain time-interval; Indicating product of flow and temperature difference directly or temperature using electrical or magnetic means for one measurement and mechanical means for the other
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