SC-300 Crack Monitor For measuring Vertical movement in floors, paths, capping etc. Features Inexpensive, simple yet accurate device for monitoring crack movement Waterproof design permits use in salt water Silk screened crosshairs and grid Consists of two acrylic plates which move independently.
SC-300 Crack Monitor For measuring Vertical movement in floors, paths, capping etc. Features Inexpensive, simple yet accurate device for monitoring crack movement Waterproof design permits use in salt water Silk screened crosshairs and grid Consists of two acrylic plates which move independently Each gauge is supplied with a sheet to record movement.