GSR Crack Monitoring Tell-Tale Gauge
With most buildings & structures developing cracks at some point in their life, crack monitoring gauges are one of the simplest ways to monitor movement of those cracks. The basic Tell-Tale crack monitoring ruler that monitors horizontal and vertical movement across a crack on a flat surface.
Structural movement is serious when the safety margins of strength, stability, or integrity have been significantly eroded, or the movement is progressively leading to failure within a specified period. Non destructive crack monitoring testing for expansion and contraction are all forms of structural movement.
The crack monitor device is made of polycarbonate.Measuring movements: Horizontal +/-20mm, +/-10mm. Reading accuracy of +/-0.5mm on grid.
Fix using screws and adhesive (not included). Supplied with Crack Monitoring Record Sheet.
Buy in packets of 10 or 20 and save.
Please feel free to download a complimentary spare: Standard Tell Tale Crack Monitoring Record Sheet