Capacitive fill level meter

Details Capacitive fill level meter Capacitive fill level meter

2006-11-14

2006-11-14

Williams, Hezron (Department: 2856)

Measuring and testing

Liquid level or depth gauge

C073S30400R

Reexamination Certificate

active

07134330

ABSTRACT:
An apparatus for capacitive determination and/or monitoring of the fill level of a medium in a container, having at least one fill level probe, and having at least one electronic field device which communicates with the fill level probe. The at least one electronic fill device generates a voltage trigger signal (sig1) for triggering the fill level probe, and receives and evaluates a measurement current (I2) of the fill level probe. At least one microprocessor is provided in the electronic field device, which microprocessor generates the voltage trigger signal (sig1), and/or which microprocessor evaluates at least the measurement current (I2) and/or a measured variable proportional to it.

REFERENCES:
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patent: 0 338 400 (1989-10-01), None
patent: WO 03/050480 (2003-06-01), None

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