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What is the best calibration method for very non-linear data?

Keary Maloney
Modified on: Fri, Jan 22, 2021 at 4:10 PM

QUESTION 

 

What is the best calibration method for very non-linear data?

 

 

ANSWER

 

The 793 software supports linearization models, Gain/Delta K, Gain/Linearization, or Gain/Advanced Linearization.  

 

Gain/Advanced Linearization is the best method for very non-linear data.  Below are comparisons of the LVDT calibration error before Linearization (top) and after using Gain/Linearization (middle) and Gain/Advanced Linearization (bottom).  


cid:_4_0DF832B00DF830440039FFE185257E07cid:_2_0DF8374C0DF834E00039FFE185257E07 


Gain/Advanced Linearization Requirements:


494 electronics only
494.16, 494.25, 494.26 DUC’s only
494.21 DUC excluded

 793 software version 5.5 and later

 

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