Detect and record movement of cracks in concrete, brick or masonry structures with these simple to use and inexpensive crack monitor devices.
A monitor consist of two overlapping acrylic or rigid PVC plates. One plate is marked with a millimeter grid, the other with cross hairs centered over the grid. Once installed, any movement can be easily seen and recorded on a Crack Progress Chart included with each Monitor.
Crack Width Gauge
The C-198 Crack Width Gauge is used to measure crack widths up to 7 mm wide on one scale and up to 160 mm on the other scale.