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Issues with filling out transmitter calibration records

2018-04-30View Original

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I’m seeking advice: the transmitter is required to have an accuracy of grade 0.5. To what decimal places should the measured values be recorded? Should it be 3 digits? 3Q
Reply #22018-05-01
The accuracy of a standard gauge should be at the 0.1 level; 3 decimal places are sufficient to meet the requirements.
Reply #32018-05-01
This post was last edited by 1111111 on 2018-5-1 08:42. Little girl, :P Is it the original record? Use the table you use for testing; record whatever value can be displayed without any changes up to that position. . . Don’t waste your brain on things that are perfectly innocent... When measuring currents in the range of 4–20 mA, if the goal is simply to assess the accuracy of the signal, then recording values down to 0.01 mA is more than sufficient. . . Conventionally, it is recorded to the 0.001mA level. . . Strictly speaking, it is recorded to the 0.0001 mA level or even the 0.00001 mA level. Strict inspection of the meters is not solely aimed at assessing accuracy; it also serves to evaluate the signal resolution and stability of these instruments. In other words, it determines the strength of the instruments’ stability and resistance to electromagnetic interference, as well as whether there might be any quality defects.

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