Process meter for measuring at least one physical process...

Details Process meter for measuring at least one physical process... Process meter for measuring at least one physical process...

2007-02-06

2007-02-06

Patel, Harshad (Department: 2855)

Measuring and testing

Volume or rate of flow

Mass flow by imparting angular or transverse momentum to the...

Reexamination Certificate

active

11298835

ABSTRACT:
A process meter for measuring at least one physical process variable of a medium stored in a container or flowing in a line, comprising: a transducer including a sensor arrangement providing measurement signals (s1, s2), the sensor arrangement having: at least a first sensor providing at least a first measurement signal (s1) in response to the physical process variable being measured, particularly to changes in the process variable, and at least a first temperature sensor mounted in the transducer for locally sensing a first temperature, T1, in the transducer, and by means of the at least one temperature sensor, at least a first temperature measurement signal (θ1) representing the first temperature, T1, in the transducer; and meter electronics which, using at least the first measurement signal (s1) and a first correction value (K1) for the at least first measurement signal (s1), derive at least one measured value (X) currently representing the physical variable, wherein: during operation, the meter electronics determine the first correction value (K1) from a temporal variation of the at least first temperature measurement signal (θ1) by also taking into account temperature values sensed in the past by means of said first temperature sensor.

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patent: WO 00/36379 (2000-06-01), None

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