ELECTRONIC FIELD DEVICE WITH SENSOR UNIT FOR CAPACITIVE MEASUREMENT OF LEVEL IN RESERVOIR Russian patent published in 2007 - IPC G01D3/00 

Abstract RU 2297597 C2

FIELD: measuring technique.

SUBSTANCE: electronic field device is connected with sensor unit 2 through corresponding signal paths. Device generates voltage signal to control sensor unit 2 and receives and estimates measured current from sensor unit 2. According to invention, device has analog-to-digital converter 8 to transform measured analog current into digital form, microprocessor 1 and memory unit 7. Microprocessor generates voltage signal, estimates current to be measured, compensates perturbation actions and calculates values to be measured of detector/reservoir corresponding to specified programs, which programs are kept in memory unit 7. Capacitance can be measured independently on active conductivity of medium to be measured.

EFFECT: improved reliability of results of measurement.

13 cl, 4 dwg

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RU 2 297 597 C2

Authors

Florents Khans-Jorg

Khajlig Klemens

Dates

2007-04-20Published

2002-11-30Filed