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More InfoAn enhanced 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 opening or closing of the crack is then recorded on the monitoring card supplied with each Tell-Tale.
The monitoring resolution can be increased to 0.1mm by using Vernier, Dial or Digital calipers. The jaws of the caliper are located between purpose made spigots on each Tell-Tale.
Fixing In Place
The Tell-Tale is fixed across the crack using screws and/or adhesive.
The tape is then cut. As the crack opens, or closes, the cursor moves relative to the calibration scale. The opening or closing of the crack is then recorded on the crack record sheet supplied.
The opening or closing of the crack is then recorded on the monitoring card supplied with each Tell-Tale.
The monitoring resolution can be increased to 0.1mm by using Vernier, Dial or Digital calipers. The jaws of the caliper are located between purpose made spigots on each Tell-Tale.
Fixing In Place
The Tell-Tale is fixed across the crack using screws and/or adhesive.
The tape is then cut. As the crack opens, or closes, the cursor moves relative to the calibration scale. The opening or closing of the crack is then recorded on the crack record sheet supplied.
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