Crack Monitor Gauge / Tell-Tale

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AVAILABILITY: This item is usually dispatched same day

The accurate tell-tale way to monitor the movement of cracks, this monitoring gauge reads horizontal and vertical movement across a crack on a flat surface to an accuracy of ± 1.0mm and by interpolation to ±0.5mm.

Co-efficient of thermal expansion: 7.0 x 10-5 cm/cm° centigrade for temperatures between -30° to +30°centigrade.

  • Suitable for interior and exterior use
  • Calibrated in millimetres
  • Comes with a record sheet for detailing the movement
  • Manufactured in tough vandal resistant acrylic (Standard)
  • Dimensions: 145x30x8mm
  • Attach with: Screws, anchors or glue with Liquid nails or Epoxy (depending on the surface)
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