Crack-Measuring Devices: Essential Tools for Quality Assurance and Safety Monitoring

 

Crack monitoring is essential to identify, measure, and record fractures or crevices. To do this, you need an appropriate crack-measuring device. You’ll find a wide range of tools for measuring the width and changes in crack width. Some support visual inspection methods within their specified range. Alternatively, you can use advanced tools that enhance safety monitoring and quality assurance. No matter what you decide to use, make sure it enhances safety monitoring and quality assurance for your structures. Here is an overview of some of the essential tools you can use.

 

Digital position strain gauge deformation metre

 

This crack-measuring device is a digital dial gauge connected to a bar. It has a fixed conical point on one end and an articulated conical point on the opposite end’s knife edge pivot. You need a setting-out bar to set the pre-drilled discs attached to the structure with an appropriate adhesive. For every reading, the conical points enter the holes in the discs. This way, the structure’s strain changes are converted into a reading on the gauge.

 

The gauge is designed to require only minimum temperature corrections for ambient temperature changes. You can always refer to the reference bar to make adjustments.

 

Crack magnifier

 

Cracks in concrete structures typically have widths of 0.2mm or 0.3mm. In this case, you don’t need a sophisticated crack-measuring device. Some magnifiers help you determine if damage exceeds that limit. High-quality crack magnifiers are inexpensive and offer up to 10x magnification, with a 32mm field of view. They can read dark and light objects, and some models have battery-powered self-illumination for dimly lit or dark areas.

 

 

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