Concrete Crack Monitor, Crack Monitoring Record Standard Tell-Tale Crack Monitor for the Standard and Corner Tell-Tale (5 PCS)

The Standard Concrete Crack for monitoring displacements in two directions (top-bottom/left-right). Simply stick or glue over the two piece crack together first and make sure the crack center crosshair alignment, and then fasted it to the wall with screws and expansions screws. The crack monitors displacement will be shown by a movement of the cross hairs over the measuring scale (40 x 20 mm). Size will be 148 x 30 x 6.5 mm, also will offer with a reading and writing record sheet together.

• Concrete Crack Monitors:The Standard Crack Monitors displacement will be shown by a movement of the cross hairs over the measuring scale (40 x 20 mm)
• Vertical: Measurement ±1 mm (±0.04") tick marks on X-Y axes; ±0.5 mm (±0.02") discrimination
• Horizontal Measurement: ±20 mm (±0.79") horizontal and ±10 mm (±0.38") vertical range
• Easy for Using: Simply stick or glue over the crack first and make sure the crack center crosshair alignment, and then fasted it to the wall with screws and expansions screws
• Easy for Carrying: Standard model for monitoring displacements in two directions (top-bottom/left-right)