Plus Tell-Tale

SKU TP11 RRP £11.45

£11.45

Ex VAT

£13.74

Inc VAT
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Price Match Request
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Description
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Description
An enhanced Avongard Tell Tale Plus crack monitor provides precision monitoring for both horizontal and vertical movement and allows for caliper measurement. Featuring two plates which overlap, the bottom plate contains a calibrated grid in millimetres with the top transparent plate containing precision cross hair which slides over the grid and shows any movement. A detailed positive or negative reading can be read from the position of the cross hair on the graduation of the underlying grid to an accuracy of +/- 1.0mm and by interpolation to +/-0.5mm. The monitoring resolution can be increased to 0.1mm by using Vernier, Dial or Digital calipers. The jaws of the calliper are located between purpose made spigots on each Tell-Tale. The opening or closing of the crack is then recorded on the monitoring card supplied with 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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