Resistance Foil Prewired Full Bridge Strain Gauges Model: EB series Carrier Material: Imported Phenolic Aldehyde/Polyimide/Epoxy Measuring Material: Foil(nickel copper alloy, Constantan or Karma) Resistance: 350,500,1000 Ohm Operational temperature －20～＋80℃, Temperature compensation range ＋10～＋80℃ Each package 40...
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Full Bridge Strain Gauges
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Description
Technical Parameters
Resistance Foil Prewired Full Bridge Strain Gauges
Model: EB series
Carrier Material: Imported Phenolic Aldehyde/Polyimide/Epoxy
Measuring Material: Foil(nickel copper alloy, Constantan or Karma)
Resistance: 350,500,1000 Ohm
Operational temperature: －20～＋80℃, Temperature compensation range: ＋10～＋80℃
Each package 40 pcs, can be soldered copper wire, good performance
Four(4) solder points
Tinned wires with length 5cm
Model
Measuring Grid Size (mm)
Carrier Size (mm)
BF350-3EB
2.25×2.65
9.2×7.7
BF1000-3EB
2.25×2.65
9.2×7.7
Note: Other models and sizes are available according to customer request
Application:
Force Transducers:
Full bridge gauges are ideal for manufacturing high-precision force transducers, leveraging bending beam principles to create accurate devices for measuring weight and other forces.
Bending and Shear Stress:
They are employed in applications like shear beams to determine shear stresses and to measure pure bending strains, with specialized configurations available to cancel out axial strain.
Torsion Measurement:
Full bridge strain gauges can be configured to measure torsional forces by determining shear stresses in elements like torsion bars.
Tension/Compression Bars:
These gauges are also used for measuring tension and compression in bars, providing a robust solution for force measurement in structural components.
Highlights
High Accuracy and Stability:
The integrated nature of the full bridge configuration ensures precise alignment of all four active gauges.
Temperature and Creep Compensation:
Full bridge strain gauges are often temperature and creep compensated, which cancels out the effects of thermal expansion and material creep on the measurement signal.
Simplified Installation:
Bonding the entire bridge at once simplifies the installation process compared to individual strain gauges.
Increased Reliability:
Eliminating intra-bridge wiring and soldering reduces connection points, thereby improving overall reliability and reducing potential error sources.
How They Work
A full bridge strain gauge has four electrical resistance grids, acting as the four active arms of a Wheatstone bridge.
When a mechanical force is applied to the object, it causes a deformation that changes the resistance of the grids.
These resistance changes unbalance the bridge circuit, producing a measurable electrical output signal.
The integrated full bridge design allows for the sensing of both strain and its opposite in another element, cancelling out unwanted effects like bending or temperature changes from the final output.
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