Densitometer with remotely disposed control electronics
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United States of America Patent
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-
Feb 26, 1991
Grant Date -
N/A
app pub date -
Sep 2, 1988
filing date -
Sep 2, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fluid density measuring device or densitometer computes, electronically, the density of a fluid by measuring the resonant frequency of an excitation signal provided to a density transducer (11) immersed in the fluid. The frequency at which resonance occurs in the circuit (13, 15, 17, 21, 23, 25, 29, 31, 37, 41) will vary according to the density of the fluid, and this information is used by measuring electronics (31, 37, 41, 43), including a programmed microprocessor (43), to calculate the density of the fluid. The output of the microprocessor (43) may be a display of fluid density information or may be transmitted to a fuel gauge.
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