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Home - Stress Analysis Strain Gages - Calculators - (Calculator) Optimum Bridge Excitation Levels: Excitation Levels

Optimizing Strain Gage (Strain Gauge) Excitation Levels

A calculator for
Optimum Bridge Excitation Levels
At a contant power-density over the grid area.

Independent Variables
Power Density ( or ), , for combination of:
Heat Sink Condition (relative)
Test Type (static or dynamic)
Accuracy Requirement (relative),

Gage Resistance (ohms),
Grid Area ( or ),

Dependent Variable
Bridge Excitation (Vdc),

Test Type Static Dynamic

Accuracy Requirements High Moderate Low

Heat Sink Conditions Example

Power Density to watts/in^2 to kilowatts/m^2

Gage Resistance 120 Ohms 350 Ohms 1000 Ohms Other

Gage Pattern

Length in mm

Width in mm

Bridge Excitation: to Volts DC