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Multiple Point, Retrievable | Model 1300 (A-9)
Hệ thống đo lún đa điểm đầu đo A-9 Geokon 1300 (A-9)
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 teststudies, plate jacking tests and virtually any application where a hole can be drilled or a pipe can be cast into the structure being studied. The system features adjustable gage lengths, rapid and simple installation/removal and high accuracy using a variety of transducers including Vibrating Wire and DCDT’s. Adapters for use in square tubing are also available.
Standard Ranges¹ 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
¹Other ranges available on request.
²Established under laboratory conditions.