Strain Gage Calculators

Many unique strain-gage-related mathematical equations are provided throughout Vishay Micro-Measurements technical literature. To assist customers with the use of these equations, Vishay Micro-Measurements offers a series of calculators that require only the input of the required variables to obtain an instant calculated result.

A list of the available calculators appears shown below.

Bridge Output
- One Active Gage
  - Tension/Compression
- Two Active Gages
- Four Active Gages

Gage Excitation (Optimum)

Leadwire Attenuation (Error Corrections)
- Quarter-Bridge Circuits

Shunt Calibration For Instruments Scaling
- Resistance of Calibrations Resistor
  - Small Strains
    - Local Calibration
      - External Quarter Bridges (Single Active Gage)
      - External Half & Full Bridges (Bending/Axial Loads)
    - Remote Calibration
      - External Half & Full Bridges (Bending/Axial Loads)
  - Large Strains
    - Without Leadwires
      - External Quarter Bridges
      - Half Bridges (Two Active Gages)
        
        Axial Loads ("Poisson" Bridge)
        
        Compressive Strains (Negative)
        
        Tensile Strains (Positive)
        
        Bending/Torsion Loads (Linear Bridge)
- Measured Strain Corrected for Wheatstone Bridge Nonlinearity
  - Large Strains
    - Without Leadwires
      - External Quarter Bridges (Single Active Gage)
    - With Leadwires
      - External Quarter Bridges (Single Active Gage)
      - Half Bridges (Two Active Gages)
        
        Axial Loads ("Poisson" Bridge)
        
        Tensile Strains (Positive)
      - Full Bridges (Four Active Gages)
        
        Axial Loads ("Poisson" Bridge)
        
        Tensile Strains (Positive)
- Strain (Simulated) by Shunt Resistor
  - Small Strains
    - Local Calibration
      - External Quarter Bridges (Single Active Gage)

Strain Gage Rosettes (Data Reduction)
- Principal Strains & Their Direction
  - Rectangular Rosettes
  - Delta Rosettes
- Principal Stresses & Their Direction
  - Rectangular Rosettes
  - Delta Rosettes

Thermal Expansion
- Calculate Coefficient

Transducer Outputs
- Bending Loads
- Axial Loads
  - 2 Gages
  - Full Poisson
- Torque
  - Full Bridge

Transverse Sensitivity (Error Corrections)
- Common K_t for All Grids
- Different K_t for Each Grid

Wheatstone Bridge Nonlinearity (Error Corrections)
- One Active Gage
  - Tension/Compression
- Two Active Gages
  - "Poisson" strains in adjacent arms
  - Equal strains of same sign in opposite arms
- Four Active Gages
  - "Poisson" strains in opposite arms