FIELD: measurement technology.
SUBSTANCE: first measurement of level of liquid is performed from value of measured electric capacitance C1 of first radio-frequency detector. Density of gaseous phase is determined on the base of value of electric capacitance C3 of corresponding radio-frequency detector. Simultaneously the second measurement is performed of level of liquid in reduced or increased range of change on the base of measured value of electric capacitance C2 of corresponding radio-frequency detector. Then functional conversion of measured electric capacitances C1, C2 and C3 is performed and dielectric permeability of liquid and gaseous phases is measured.
EFFECT: improved precision of measurement; widened functional capabilities.
2 dwg
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