Right Angle Foil Resistance Shear Beam Strain Gauge
Model: HA Series
Shear strain gauges are designed to measure shear strain resulting from torque or torsional loading. They can feature either one or two measuring grids attached to a single carrier. In a single-grid configuration, the strain gauge element is oriented at a 45° angle relative to the shaft axis. A two-grid shear strain gauge, also known as a V Rosette, has measuring elements set at 45° and 135°. These gauges are commonly used in applications such as engine shafts and drivetrains, where they can be used to calculate shaft power based on strain measurements.]
Model: HA series
Carrier Material: Phenolic Aldehyde /Polyimide/Epoxy
Measuring Material: Foil(nickel copper alloy, Constantan or Karma)
Resistance: 350,650,1000 Ohm
Operational temperature －30～＋80℃, Temperature compensation range ＋10～＋80℃
Two (2) to Five (5) soldering points, long terms stable.
| MODEL | Grid Size(mm) | Base Size (mm) | Grid Distance (mm) |
| BF( BA/BE)350-2HA | 2.0×3.7 | 9.0×5.6 | / |
| BF( BA/BE)350-3HA | 2.8×5.5 | 9.7×6.7 | / |
| BF( BA/BE)350-4HA | 3.7×6.4 | 8.5×7.4 | / |
| BF( BA/BE)650-3HA | 2.8×4.7 | 8.8×5.7 | / |
| BF( BA/BE) 1000-3HA | 2.8×5.5 | 9.7×6.7 | / |
| BF( BA/BE) 1000-4HA | 3.8×6.4 | 8.5×7.4 | / |
Applications:
Torsional Load Measurement: Driveshafts, turbines, or rotating machinery.
Structural Health Monitoring: Bridges, beams, or joints under shear stress.
Aerospace/Automotive Testing: Wing spars, chassis components, or suspension systems.
Material Science: Studying shear properties in composites or alloys.
Example Use Case:
Monitoring shear stress in a helicopter rotor shaft:
- Install HA Series gauges at 45° on the shaft surface.
- Connect to a telemetry system via slip rings.
- Measure real-time torsional loads during operation to prevent fatigue failure.
- Optimized for shear/torsional strain measurement
Note: Other models and sizes are available according to customer request
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