A basic Tell-Tale crack monitoring gauge that monitors horizontal and vertical movement across a crack on a flat surface to an accuracy of +/- 1.0mm and by interpolation to +/-0.5mm.
The bottom plate is calibrated in millimetres and the top plate is transparent and marked with a hairline cursor in the form of a cross.
Fix using screws and adhesive (not included)
Why buy from D&S?
Quality products from leading brands Stock and quick dispatch on popular lines Delivery to any UK or ROI address and GBP or Euro currency choice Customer service team always on hand to help ISO 9001 certified for quality management Registered distributor of Topcon, Nedo, Radiodetection & Tramex
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Quality products from leading brands 
