Improved capacitive probe designed to measure level of dielectric liquid in tank. In original application, liquid is hydrogen at low temperature, but design principles applicable to measurement of levels of other dielectric liquids in various temperature ranges. Outstanding features of design those making probe insensitive to temperature-induced and other spurious capacitive effects that otherwise distort capacitive liquid-level readings, and those making it possible to calibrate probe mostly by calculation from first principles.
Improved Capacitive Liquid-Level Probe
NASA Tech Briefs ; 19 , 6
01.06.1995
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Englisch
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