FLM/WFLM Metal Backing Strain Gauges for Concrete Material (Waterproof)
Single element concrete strain gage for long term measurement on underwater curing concrete
Nyckelfunktioner
- 0.5% (5000×10⁻⁶ strain) Strain limit
- Operating temperature: -20~+80°C
- Bonding adhesive: PS
- Applicable on: Concrete, Mortar
- Gauge resistance: 120Ω
- Gauge length: 30, 60mm
- Type: Waterproof single element with integrated leadwire, concrete/mortar use
About FLM/WFLM Series Metal Backing Straingauges for Concrete Material
These strain gauges have thin stainless steel backings which prevent the penetration of moisture from the reverse sides. This construction is aimed for successful strain measurement on concrete surface.
The WFLM gauges have moisture proofing over-coating and integral leadwire in addition to the stainless steel backing. It is intended for long term measurement or measurement on underwater-curing conctrete.
Temperature compensation materials
- 11: Mild steel
Used leadwire: 0.09mm2 3-wire crosslinked polyethylene sheath leadwire (2m standard) with a total resistance of leadwire per meter: 0.4Ω
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| Specifikation | Värde |
|---|---|
| Applicable specimen | Concrete, Mortar |
| Backing | SUS304 |
| Bonding adhesive | PS |
| Element | Ni-Cr |
| Fatigue life at room temperature | 1×10⁵ (±1000×10⁻⁶ strain) |
| Operational temperature(°c) | -20~+80°C |
| Strain limit | 0.5% (5000×10⁻⁶ strain) |
| Temperature compensation range(°c) | +10~+80°C |