A simple range of gauges used for the measurement of crack widths in concrete and other structures.
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Range: 0.004 - 0.100" (0.10 - 2.50mm)
This simple crack width ruler has been designed to provide inspectors with a low cost alternative to a graduated microscope for determining the width of a crack in concrete or other building materials.
Similar in size to a standard credit card, this transparent concrete ruler is marked with a range of graded lines, each with a specified width.
To use, position the gauge over the crack and identify which line is a similar width to the crack. Read off the width value.
This is a very simple, graduated x50 microscope with internal illumination.
This allows the user to quickly determine width by counting the number of graduated reticules on the scaled lens and calculating the value.
The Elcometer 7210 Pocket Microscope is an extremely practical microscope used for site inspections.
Having x30 magnification and a inbuilt light source, the Elcometer 7210 Pocket Microscope is the ideal choice for close up investigation of defects and surface cleanliness.