FIELD: measurement technology. SUBSTANCE: device has cock 1 mounted inside pipe-line, lock mechanism 2, photocell 3, shutter 4, transparent wall 5, electric lamp 6, piston 7 provided with channels, electricity meter 8, permanent magnets 9, spring 10, plugs provided with electric drive 11, wires 12, thermocouple. EFFECT: improved precision of measurement. 1 dwg
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|---|---|---|---|
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