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Project Location of Monitor During each monitoring event, Indicate on the diagrams below, the movement of the crack monitor. This should be done after the crack widths have been measured using the crack width gauge.
The Corner Crack Monitor is used to monitor two dimensional movement. (Ensure the scale and cursor plate are fixed on the side of the crack which is moving.) Corner Crack Monitors are used in pairs and designed to monitor three-dimensional movement. The components of the Corner Crack Monitor can be reconfigured so that cracks at the junction of ceilings and walls or floors and walls can be monitored. Humboldt Mfg. Co. 875 Tollgate Road Elgin, Illinois 60123 U.S.A. Testing Equipment for U.S.A.