Measuring and testing – Liquid level or depth gauge – Immersible electrode type
Patent
1975-10-14
1978-06-06
Woodiel, Donald O.
Measuring and testing
Liquid level or depth gauge
Immersible electrode type
G01F 2324
Patent
active
040928608
ABSTRACT:
Method and arrangement for measuring and controlling the level of a fluid in a container. The conductivity of the fluid is measured by means of a detector and a high-frequency voltage supply. The detector operates on a capacitive or on an inductive basis. Means for eliminating the effect of the size of the container and of the transfer functions of the detector and, in the control arrangement, the pump.
REFERENCES:
patent: 3772531 (1973-11-01), Webb et al.
patent: 3848616 (1972-07-01), Sanner
patent: 4010650 (1977-03-01), Piatkowski
Arts Matheus Gijsbertus Jozef
DE Maat Johannes Augustinus Catharinus Maria
Spaan Jozef Augustinus Elisabeth
V. Asseldonk Antonius Gerardus Martinus
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