Borehole Micrometer
The Borehole Diameter Caliper is a mechanical micrometer used to measure roof-bolt-hole…
- Range
- 25-55 mm standard (30-60 mm version also available)
- Insertion depth
- Up to 3 m from the borehole opening
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Borehole Rod Extensometer
The Borehole Rod Extensometer measures settlement, displacement and deformation in soil…
- Measurement
- Magnitude, distribution, rate and acceleration of deformation, measured at the reference head
- Configuration
