• EX S LR
  • EX S Angle LR
  • EX S Anchor LR
  • EX S-Display-LR
  • EX S Guide Tube LR
  • EX S-Tube-LR

Extensometer Anchor Assembly

20-point magnetic extensometer anchor assembly set

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Sonic Probe Extensometer Anchors - High Resolution Displacement Monitoring for Roadway and Pillar Studies

  • Highly accurate 20 position extensometer
  • 7.5m length
  • 0.1mm Accuracy
  • No Grouting required
  • Range of hole sizes
  • Easy to install
  • Analysis software available

Multi-Point (maximum 20 position) sonic probe extensometers are used to accurately monitor the behaviour of the mine roadyway throughout the mining cycle.

These instruments can permit the monitoring of movement in the roof, floor or side of the roadway by measuring the displacement of magnetic anchors placed within the roadway strata.

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