The Encardio-rite crack & joint meters are ideally suited for measurement of movement. These measurements are important for monitoring the behavior of civil structures and buildings. The crack meter is used to measure change in width of a surface crack. It is used to monitor cracks in concrete structures, rock, bridges, pavement slabs, etc. The joint meter is ideally suited for measurement of displacement/movement across joints such as joint opening between two concrete/ masonry blocks in a dam