FIELD: liquid flow rate measurement in pipeline. SUBSTANCE: flowmeter has measuring pipeline, polarizer magnets positioned on it, the first modulation coil connected to modulation generator, and the first recording coil connected to recording circuit. Flowmeter also includes mark coil installed on measuring pipeline behind polarizer and connected to independent generator and to recording circuit. Flowmeter peculiarity is in that it is provided with the second modulation coil and the second recording coil, with standard specimen arranged in it, which do not embrace measuring pipeline as well as with switch. The second recording coil is connected to recording circuit, and the first and second modulation coils are connected to modulation generator through switch. Flowmeter enables accurate measurement under conditions of considerable difference in air temperature and humidity. EFFECT: enhanced accuracy of measurement. 1 dwg
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NUCLEAR-MAGNETIC FLOWMETER | 1997 |
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Authors
Dates
2000-06-27—Published
1998-03-12—Filed