FIELD: measuring equipment.
SUBSTANCE: method relates to measurement equipment and can be used for monitoring level and density of liquid in tanks of tank farm in real-time, that is relevant for enterprises of oil-extracting, oil processing, aircraft, medical, food industry. Method consists in fact, that pulse acoustic signal is generated for measuring level and density of liquid in tank, then reflected from the liquid acoustic signal is recieved and transformed into electric signal which is subjected to analogue-to-digital conversion, digitized reflected signal and probing signal undergo Fourier transformation, obtained complex amplitude spectra of probing and reflected signals are submitted in exponential form, their amplitude and phase components are separated, desired level HX and density ρX of liquid is determined as solving the mathematical expressions.
EFFECT: invention is aimed at expansion of functional capabilities of method, related to complex determination of two parameters at the same time: level and density of liquid in the tank of tank farm.
1 cl, 1 dwg
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