Measuring and testing – Liquid level or depth gauge – Float
Patent
1998-07-07
2000-02-22
Chilcot, Richard
Measuring and testing
Liquid level or depth gauge
Float
G01F 2330
Patent
active
06026683&
ABSTRACT:
A liquid level measuring system using a strain-gauge load cell is disclosed. The system includs a buoyancy weight standing upright in a liquid held in an object to be measured in a long bar shape, and having an average density substantially the same as that of the liquid; the strain-gauge load cell producing a change in the buoyancy weight varied with the liquid level as a change of an electrical signal; an amplifier amplifying a voltage signal detected from the strain-gauge load cell; an analog/digital converter converting an amplified voltage signal into a digital signal; a central processing unit applying a driving pulse to the strain-gauge load cell and average-operating a plurality of digital signals to find an average value of the liquid level; and a display displaying the average value of the liquid level as a number.
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Chilcot Richard
Thompson Jewel V.
Yongmacom Co., Ltd.
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