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Covid-19 Update

All KR offices are now operating at 100%! We are back to business with the followiing changes: 

 For the health and safety of our employees and other customers, we ask that if you stop in to any of our locations, that you follow all social distancing measures that are mandated for your area of the country.  If you have been exposed to, or are exhibiting symptoms of COVID-19, please stay home.

Additionally we can be contacted by email at kr@krinc.net.
For all your technical support needs please email us at LeicaSupport@krinc.net

Thank you for your business and your understanding.

CALIBRATED CRACK MONITOR

click image to enlarge
Item #:
BCL-149
Price:
$26.00
Quantity:
  • Description

Avongard Crack Monitor

The Avongard Crack Monitor is a simple and effective gauge to measure the movement of cracks in brick, concrete, or masonry structures. The Avongard Crack Monitor consists of two overlapping acrylic plates.

One plate is white with a black millimeter grid, while the other is transparent with red crosshairs centered over the grid. Once the Crack Monitor is in position across a crack, the crosshairs shift vertically or horizontally on the grid if movement occurs,so that anyone can easily see and track crack movement.

Specifications:

  • Material: Plexiglass« acrylic
  • Dimensions (each plate) : 1.25 x 4 x 0.25 in.
  • Dimensions (overall) : 1.25 x 5.75 x 0.25 in.
  • Dimensions (grid) : 1.5 x 0.75 in / 40 x 20mm
  • Discrimination : 0.5 mm
  • Max. width movement : 0.750 in / 20mm
  • Max. upward movement : 0.375 in / 10mm
  • Coeff. Thermal Expansion : 3.80 x 10-5 in/in/░F : 6.84 x 10-5mm/mm/┬░C


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Top

Covid-19 Update

All KR offices are now operating at 100%!   We are back to business with the following changes: 

 For the health and safety of our employees and other customers, we ask that if you stop in to any of our locations, that you follow all social distancing measures that are mandated for your area of the country.  If you have been exposed to, or are exhibiting symptoms of COVID-19, please stay home.

Additionally we can be contacted by email at kr@krinc.net.
For all your technical support needs please email us at LeicaSupport@krinc.net

Thank you for your business and your understanding.