FIELD: measurement technology. SUBSTANCE: invention is meant for measurement of surface tension of fluids including molten metals, salts, alloys and other conducting substances. Device incorporates double-plate capacitor, one of its plates being surface of tested conducting fluid, nozzle to which inlet gas is supplied via heat exchanger. EFFECT: diminished effect of temperature of gas jet on surface of fluid whose temperature is higher than ambient temperature. 1 dwg
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