QUALITEC ENGINEERING cc

Reg. No CK 91/03521/23

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ROCK MECHANICS & GEOTECHNICAL INSTRUMENTATION

MEMBERS: R.K. Holloway  P.Newton

Postal:  PO Box 73892, Fairland, 2030, South Africa

VAT Reg. No: 4740121910

Physical: Drostdy Street, Cleveland, Johannesburg

TEL: (+27  011) 622 5448

E-mail:   qualitec@global.co.za

FAX: (+27  011) 622 7493

Web: www.qualitec.co.za


TAPE EXTENSOMETER

Designed for measurement of surface movements including: -

  1. Radial movements and convergence of tunnels, shafts and linings.
  2. Deformation of excavations in underground power houses, caverns and adits.
  3. Displacement of retaining walls, cuttings, bridge piers, arches and abutments.
  4. Stability of concrete structures and buildings.

Operating principle: -

The instrument, which is portable, measures displacement between pairs of reference eye-bolts, grouted into shallow holes.

The tape extensometer comprises a stainless steel measuring tape with equally spaced precision punched holes. The body incorporates a tape tensioning device coupled to a tension nut and vernier scale. Accuracy is 0.1mm or better with a trained operator.

 

Features: -

  1. Simple, reliable and easy to read with positive tape tensioning.
  2. Can be operated by one person and read from one end only.
  3. Measurement to 20 Metres.
  4. Intended for relative measurements only. Temperature may change measurements.
  5. Presented in a lockable aluminium carry case.
  6. Competitively priced at R38840,00 plus VAT (valid until End May 2017)

(1) Stainless steel tape   (2) Tension device   (3) Vernier scale   (4) Tension nut

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