Measuring and testing – Liquid level or depth gauge – Hydrostatic pressure type
Patent
1985-05-10
1986-12-09
Frankfort, Charles
Measuring and testing
Liquid level or depth gauge
Hydrostatic pressure type
73301, 73299, G01F 2316, G01F 2318
Patent
active
046272810
ABSTRACT:
A high-accuracy system for gaging liquid height in storage tanks. A pair of standpipes are arranged to be pumped to several accurately predetermined liquid levels to enable zero and sensitivity calibration of a differential-pressure transducer which normally monitors the pressure head of a column of liquid in the tank. The entire system is filled with tank liquid (eliminating condensation and vapor bubble problems encountered if the transducer is vented to atmosphere), and sharp-edged standpipes provided to minimize meniscus error when one or both standpipes are completely full.
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Frankfort Charles
Tavis Corporation
Will Thomas B.
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