Description
The Model A-9 Retrievable Extensometer (Patent No. 5,585,555) is designed to measure deformations in boreholes in rock, concrete, and other construction materials. The device can be used in pile load test studies, plate jacking tests and virtually any application where a hole can be drilled or a pipe can be cast into the structure being studied.
Spesification
| Standard Range¹ | 12.5, 25 mm |
| Resolution | 0.02% F.S. |
| Accuracy² | ±0.1% F.S. |
| Temperature Range¹ | −20°C to +80°C |
| Diameter | 45 mm (anchor); 25 mm (transducer) |
| Overall Length | 495 mm |
¹ Other ranges available on request.
² Established under laboratory conditions.
