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Method of operating a measuring apparatus

A technology of measurement device and operation method, applied in measurement device, test/calibration device, liquid/fluid solid measurement, etc., can solve problems such as interference

Inactive Publication Date: 2008-02-27
KROHNE MESSTECHNICK GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

On the one hand, diagnostic functions that have no effect on the measuring operation are known, but on the other hand, such diagnostic functions that interfere with the normal measuring operation can only be carried out when the measuring operation is switched off

Method used

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  • Method of operating a measuring apparatus

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Embodiment Construction

[0023] 1 schematically shows the control of the normal measuring operation M on the one hand and four different diagnostic functions D on the other hand. 1 ,D 2 ,D 3 and D 4 . The normal measuring operation is interrupted regularly, wherein the individual diagnostic functions are carried out successively during the interruption of the normal measuring operation. It is shown here that the diagnostic functions are all repeated with the same frequency and that the interruptions of normal measuring operation are always the same length for the diagnostic functions. However, as mentioned above, this is not necessary, but on the one hand the repetition rate can be different for the individual diagnostic functions, and on the other hand the duration of the interruption of normal measuring operation can also be different for the individual diagnostic functions, i.e. adapted to respective needs.

[0024] Regular interruptions of normal measuring operations correspond to regular rep...

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Abstract

A method for operating a measuring instrument is capable of performing multiple diagnostic functions. For this, a process control is provided for the execution of the diagnostic functions in a manner whereby the normal measuring operation of the measuring instrument is interrupted, a first diagnostic function is performed during that interruption, the normal measuring operation is resumed after completion of the first diagnostic function, the normal measuring operation is again interrupted, and during that later interruption of the normal measuring operation a second diagnostic function is performed. In this fashion, even numerous diagnostic functions can be easily and efficiently integrated into the operation of a measuring instrument such as a magnetoinductive flowmeter.

Description

technical field [0001] The invention relates to a method for operating a measuring device, wherein the measuring device has multiple diagnostic functions. Background technique [0002] Measuring devices are known from the prior art, such as magnetically inductive measuring devices, which have various diagnostic functions. The operation of the measuring device can be checked by means of these diagnostic functions in order to improve its reliability. On the one hand, diagnostic functions which have no effect on the measuring operation are known, and on the other hand, such diagnostic functions which interfere with the normal measuring operation can only be carried out when the measuring operation is switched off. Contents of the invention [0003] The object of the present invention is to provide a method for operating a measuring device, by means of which the above-mentioned diagnostic functions can be implemented conveniently and efficiently. [0004] The above objects a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D21/00G05B19/04G01D18/00G01F1/58G01F25/00
CPCG01F1/58G01D18/00
Inventor H·布罗克豪斯
Owner KROHNE MESSTECHNICK GMBH & CO KG
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