Technique for determining a mechanical zero value for a coriolis

Details Technique for determining a mechanical zero value for a coriolis Technique for determining a mechanical zero value for a coriolis

1991-07-11

1993-07-20

Goldstein, Herbert

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

7386137, 364510, G01F 2500, G01F 184

Patent

active

052283275

ABSTRACT:
Apparatus and accompanying methods for inclusion in a Coriolis meter for measuring and updating a mechanical zero value for the meter using only zero flow measurements that have a sufficiently low noise content. Specifically, the meter produces zero flow measurements while no fluid is flowing through the meter. If a standard deviation of these zero flow measurements is less than a pre-defined limit value, then a resulting mechanical zero value, based on those measurements, is subsequently subtracted from the flow based measurement data.

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