Method for calibrating dynamic volumel

A calibration method and volume technology, applied in the direction of volume measurement instrument/method, measurement capacity, measurement device, etc., can solve the problems of unsatisfactory reliability, stability and repeatability of transfer table calibration method, and limited speed, etc. The effect of automatic control and detection, improving work efficiency and high measurement accuracy

Inactive Publication Date: 2004-10-27
SHANGHAI WELLTECH AUTOMATION CO LTD
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Problems solved by technology

[0003] The purpose of the present invention is to solve the current calibration method of the transfer meter commonly used in the calibration of the volume, especially the calibration of the dynamic volume. Due to the limitation of the accuracy of the transfer meter and the disadvantage that the transfer meter is greatly affected by external interference, the transfer meter The reliability, stability and repeatability of the calibration method are not ideal. In addition, when implementing the transfer table calibration method, the flow rate when calibrating the working container should be consistent with the flow rate when calibrating the pulse coefficient, which also limits the speed of calibration The problem

Method used

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  • Method for calibrating dynamic volumel
  • Method for calibrating dynamic volumel
  • Method for calibrating dynamic volumel

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Embodiment Construction

[0024] Below in conjunction with accompanying drawing and embodiment the present invention will be further described,

[0025] Accompanying drawing is the structural representation of device used in the present invention,

[0026] The present invention is a dynamic volume calibration method, which includes filling the working container 3 with water until the water level exceeds all the water level transmitters 5, opening the stop valve 4, and opening the flow regulating valve 5 to set the flow rate, which is characterized in that: The specific calibration consists of the following steps:

[0027] 1) Switch the commutator at end 1, open the container valve 9 of the electronic scale 8, close the container valve 11 of the electronic scale 10, and reset the electronic scale 10 to zero;

[0028] 2) When the water level in the working container drops to the first water level transmitter 5, the water level transmitter 5 sends a signal, the commutator 7 switches to the 2 end, and the...

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Abstract

Using electronic scale instead of former transition table in the invention carries out multiple steps accumulated measuring for dynamic volume. Advantages of the invention are: no special calibrating requirement for flux, high accuracy in measurement, small interference from outside, good stability and repeatability, realizable automatic controlling and tasting by proper software so as to raise efficiency and reduce human incurring error.

Description

Technical field: [0001] The invention relates to a volume calibration method, in particular to a dynamic volume calibration method. Background technique: [0002] At present, the calibration method of the transfer meter commonly used in the calibration of the volume, especially the calibration of the dynamic volume, is limited by the accuracy of the transfer meter, and the transfer meter has the disadvantage of being greatly affected by external interference, resulting in the reliability of the transfer meter calibration method. The stability and repeatability are not ideal. In addition, when implementing the transfer table calibration method, the flow rate when calibrating the working container should be consistent with the flow rate when calibrating the pulse coefficient, which also limits the speed of calibration. Invention content: [0003] The purpose of the present invention is to solve the current calibration method of the transfer meter commonly used in the calibra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F22/00G01F25/00
Inventor 沈海津乔鑫根
Owner SHANGHAI WELLTECH AUTOMATION CO LTD
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