Wheatstone Bridge Nonlinearity Errors

A StrainSmart calculator for

Two Active Gages

Two active gages with equal strains of the same sign -- used on opposite sides of column with low thermal gradient (bending cancellation, for instance.)

 
Independent Variables
Inputs

Gage Factor (nondimensional),

 
Poisson's Ratio (nondimensional),

 
Indicated Strain (microstrain),

 
Functions
 

 
Dependent Variable
Calculations

If the gage factor of the instrument is set at the gage factor of the gage:
 
Actual Strain (microstrain),

 
Incremental Error (microstrain),

 
% Actual Strain