ROTATING CRACK MONITOR
More advanced flat crack monitor.
FLAT, CORNER, STANDING CRACK MONITORS
These are simple yet accurate devices for monitoring crack movement. The waterproof design permits use in salt water. Inexpensive devices with hot-stamped crosshairs and grid. These monitors consist of two acrylic plates which move independently. Each gauge comes with a graph for periodic recording of movement. Crack Monitors may be installed with Quick-set Epoxy.
Installation and Specifications
CRACK WIDTH GAUGE
Handy clear acrylic gauge to measure crack widths from 0.1mm to 7.0mm (in 0.05mm increments)
Size: 17cm x 3cm (6-5/8" x 1-1/4")
A crack point is a small metal disk with a dimple in the center. When attached with epoxy to a surface, one on either side of a crack, they provide consistent points of reference for measuring with calipers.