£6.50
The Datum Crack Monitor is an easy to use and very reliable marker that measures vertical and horizontal movement on concrete surfaces, consisting of two overlapping acrylic plates.
Once the Crack Monitor is in position over the crack, the crosshairs shift vertically or horizontally on the grid if movement occurs.
The Datum Crack Monitor is an easy to use and very reliable marker that measures vertical and horizontal movement on concrete surfaces, consisting of two overlapping acrylic plates.
Once the Crack Monitor is in position over the crack, the crosshairs shift vertically or horizontally on the grid if movement occurs.
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