The Model 4911 Rebar Strainmeter is designed for measuring strains in foundations, slurry walls, precast piles, caissons, bridge abutments, tunnel liners, etc. The standard Model 4911 (#4 rebar), known as the “Sister Bar,” is installed alongside structural rebar. Larger models (4911A) are available for welding directly into structural rebar. Where short-term dynamic measurements are to be made, bonded resistance (Model 3911/3911A) strain gauges can be substituted, or added.
Rebar Strainmeters (VW)
The Model 4911 Rebar Strainmeter is designed for measuring strains in foundations, slurry walls, precast piles, caissons, bridge abutments, tunnel liners, etc.
| Brand |
Geokon |
|---|---|
| Standard Range |
3000 µε |
| Resolution |
0.4 µε |
| Accuracy¹ |
±0.25% F.S. |
| Temperature Range² |
−20 °C to +80 °C |
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