Crack Monitor

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Crack monitor for permanent monitoring of crack movements.

Included in delivery: complete with fastening screws, wall plugs and crack monitoring record folder with 10 foils.

Crack monitor for permanent monitoring of crack movements

Consist of two plates of transparent impact-proof acrylic plastic. The bottom plate has a scale, which is calibrated in millimetres and the overlapping plate is marked with a red crosshairs. The crack monitor will be mounted with the enclosed screws or adhesive over the crack on the wall. As the crack opens or closes, the plate with the red crosshairs moves proportional to the other plate with the scale. These movements can be read at the calibration scale and recorded on a foil of the enclosed record folder (4292 020), the accuracy being 0,5 mm.

© Deffner & Johann GmbH