SFA Series for Axial Stress Strain Gauges
Intended to measure the stress in an optional direction of the specimen in plane stress field
Key features
- Fatigue life: 1×10⁶ (±1500×10⁻⁶ strain)
- Operational temperature: -20~+200°C
- +10~+100°C temperature compensation
- Gauge resistance: 120Ω
- Gauge size: 4mm
- Poisson's ratio of specimen: 0.285, 0.305, 0.330
About the SFA Series for Axial Stress Straingauge
SF series stress gauge
These gauges are intended to measure the stress in an optional direction of the specimen in plane stress field. The gauges are sensitive not only in these axial direction but also in the transverse direction, and the sensitivity ratio of the transverse direction to the axial directions is equal to the Poisson’s ratio of the specimen material. In addition, the gauges are not sensitive to the shearing strain. Accordingly, the output of the gauges is proportional to the stress in the axial direction. The gauges are available in three types depending on the Poisson’s ratio of the specimen material.
Temperature compensation materials
- 11: Mild steel
- 17: Stainless steel
- 23: Aluminium
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Talk to an expertTechnical Specifications
| Specification | Value |
|---|---|
| Applicable specimen | Metal |
| Backing | Polyimide |
| Bonding adhesive | CN, NP-50B, C-1 |
| Element | Cu-Ni |
| Fatigue life at room temperature | 1×10⁶ (±1500×10⁻⁶ strain) |
| Operational temperature(°c) | -20~+200°C |
| Strain limit | - |
| Temperature compensation range(°c) | +10~+100°C |