Product Specification Digital Tape Extensometer

Digital Tape Extensometer

Brand : Slope Indicator - USA

Model : 51811510(20m); 51811530(30m)

Applications

The tape extensometer is used to detect and monitor changes in the distance between two reference points. Typical applications include:

  • Monitoring convergence of tunnel walls.
  • Monitoring deformations in underground openings.
  • Monitoring displacement of retaining structures, bridge supports, and other structures.

Operation

Stainless steel reference points are permanently installed at measurement stations along the tunnel or structure. To obtain a measurement, the operator stretches the tape between two reference points, hooking the free end of the tape to one point and the instrument body to the other. The operator tensions the tape by turning a knurled collar until two index marks are aligned and then notes the reading from the tape and the digital display. The sum of these readings is the distance between the two reference points. By comparing the current reading to the initial reading, the operator can calculate the change in distance between the two reference points.

Advantages

Repeatable Measurements: The tape extensometer provides extremely repeatable measurements over spans up to 30 meters or 100 feet. The new digital display makes measurements easy.

Economical Reference Points: Stainless steel eyebolt reference points are economical and easy to keep clean. The eyebolts can be bolted or welded to the structure or threaded into groutable or expansion-type anchors.

Rugged: Precision parts are protected by a strong aluminum body and a plastic lens.

Easy to Use: The tape extensometer's hook and eyebolt system is easy to use and offers unrestricted angular movement of the tape. Tape tension is easy to adjust, even when the operator wears gloves.

Spesification :

- Measurement Repeatability: ± 0.10 mm.

- Steel Tape: 13 mm x 20 m or 13 mm x 30 m, perforated at 50 mm intervals, graduated in mm. Thermal coefficient of expansion is 11.6 ppm per degree.

- Dimensions: 70 mm OD, 610 mm overall length.

- Weight: Approximately 2 kg. Batteries: SR44 silver oxide cell.

- Battery life is approximately 3 years.

- Operation Temperature: 0 to 40 °C.

Kode Barang Pemesanan :

Unit with 20 m tape . . . . . . . . . . .51811510
Unit with 30 m tape . . . . . . . . . . .51811530

Aksesoris (harus digunakan):

REFERENCE POINTS
Reference Point. . . . . . . . . . . . . . .51812000
Stainless steel eyebolt with lock nut. Threads into groutable or expansion anchor.
Groutable Anchor . . . . . . . . . . . . .51804304
Steel rebar tapped to accept reference point. #5 rebar x 4" long (16 x 101 mm ).
Expansion Anchor . . . . . . . . . . . . .51812050
Tapped for reference point. Requires 35 mm (1.375") drill hole.


ACCESSORIES
Carrying Case . . . . . . . . . . . . . . . .51812100
Sturdy vacuumed formed ABS plastic carrying case with foam lining for shock protection.
Metric Replacement Tape, 20 m . .11801370
English Replacement Tape, 66' . . .11801380

 

Kategori : Alat Ukur Tahanan Tanah

Price : Call For Info

Yudhistira

Hp. 0811 188 6845;

 – 0818 0816 0634(WA)

Email : naysite2@gmail.com;

Price Digital Tape Extensometer

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Outline Of Business Geotechnic Departement. : Controls ( Italy) : Testing Equipment For Soils/ Concrete/ Aggregates/ Bituminous/ Asphalt/ Cement/ Rock, EtcSlope Indicator ( Usa) : Inclinometers / Piezometers / Vibration Monitor / Extensometers / Strain Gages / Intelligent Data Acquisition System, Etc.Hydrological Services ( Australia) : Current Meter / Water Level Instruments / Hydromat Data Collection Equipment / Automated Weather Observations, Etc.Unidata ( Australia) : Waterlevel Measurement, Waterquality Monitoring, Weather Station System ( Analog And Telemetry System)Tps ( Australia) : Instrumentation For Ph, Redox, Specific Ions, Conductivity, Salinity, Dissolved Oxygen, Turbidity And Temperature For Research And Industry.

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