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Borehole Extensometer Model WR-FLEX

 

The WR-FLEX borehole extensometer consists of anchors spaced along a protective plastic tube. The anchors are located at elevations where displacement measurements are required. One end of a spring-steel measuring rod is attached to the inside of each anchor. The rods extend through the protective tube and are terminated within the head assembly. The rods are free to move within the head assembly and protective plastic tube. As relative displacement between the anchors and head assembly occurs, the location of the free ends of the rods in the head assembly move the same amount. By measuring the displacement between the free ends of the head assembly, the displacement of the anchors relative to the head assembly is obtained.
Displacement can be measured either manually, using a depth gauge, or remotely, by converting the head using the elec trical head assembly and installing linear potentiometer displacement transducers. The head assembly can be installed fl ush with the rock or ground surface and can be extended at a later date, for example, through a concrete tunnel lining. Extension rods can be added to the installed rod to extend the measuring range of the extensometer. Groutable ribbed-steel anchors are used in rock and mechanical leaf-spring anchors are used in soft soils.


Feature

  • Pre-assembled and ready to install
  • Low cost and simple installation
  • Two models: one with up to 5 measuring points and one with up to 10
  • Accommodates shear deformations
  • Compact, fi ts in small size boreholes without reaming of collars
  • Can be extended through concrete tunnel linings
  • Simple manual reading with depth gauge
  • Easily converted for remote reading with electrical readout without losing the manual reading capability

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TESTIMONIALS

B2TKS

B2TKS
Sangat jarang perusahaan seperti ini di Indonesia!  Mereka terus-menerus mengikuti perkembangan inovasi engineering test & measurement, “nyambung” berdiskusi teknis dan berpengalaman, memiliki visi pengembangan teknologi pengukuran, pengujian, inspeksi dan monitoring.(Dr.-Ing. Ir. May Isnan - NDT Specialist B2TKS-BPPT)

Chevron

Chevron
Tim kerja Alat Uji dapat diandalkan. Sangat bagus dalam implementasi di lapangan. Secara umum kami puas dengan services nya!(Andre - HSE Chevron)

BPPT

BPPT
Saya baru sekali ini bertemu perusahaan engineering yang eksis seperti ini di Indonesia.  Sangat terbantu dengan solusi yang diberikan, sangat memuaskan!(Muksin Saleh, ST., MT - Fuel Conversion and Pollution Control Specialist, B2TE - BPPT)

BALITBANG

BALITBANG
Sistem monitoring yang disuplai oleh Alat Uji adalah yang tertinggi ratingnya sampai dengan saat ini dibandingkan sistem lain yang pernah kami miliki, Dengan sistem monitoring dari Alat Uji, Pengujian kami jadi lebih terkontrol karena ada visualisasi di sistemnya. (Gatot Sukmara - Badan Penelitian dan Pengembangan, Departemen Pekerjaan Umum)