Crack Gauge Card

Measure Crack Widths

Measure crack widths for assessing concrete structures and other materials. Accurate measurements help engineers and inspectors determine the severity of cracks and make decisions on repairs or maintenance. Whether concrete, masonry or other materials, knowing the exact width of a crack is critical for structural integrity and safety.

Why Accurate Measurements Matter in Crack Widths

Accurate measurements of crack widths for:

• Safety: Cracks can compromise the structure of a building and put occupants and users at risk. Accurate measurements help identify potential hazards so repairs can be done before problems get serious.

• Maintenance: Knowing crack widths helps determine if repairs or maintenance is needed, prevents further damage and extends the life of the structure. By monitoring crack widths over time engineers can track the damage and act in time.

• Cost savings: Accurate measurements means targeted repairs, reduces the risk of costly mistakes and unnecessary work. Focus on the areas that need attention and allocate resources more efficiently, save time and money in the long run.

Tools and Methods 

Several tools and methods are available to measure crack widths, each with different levels of precision and ease of use:

• Crack comparator cards: These cards have graduated scales in inch and metric measurements, users can measure crack widths quickly and accurately. Small and affordable, they are a popular choice for on-site inspections.

• Precision devices: Tools like standard crack gauge are high precision and suitable for flat surfaces. These tools provide detailed measurements, good for long term monitoring programs.

• Digital devices: Electronic devices can provide accurate measurements but requires calibration and maintenance. They have advanced features but may not be suitable for all users.

• Visual inspections: Trained inspectors can estimate crack widths through visual inspections but this method may not be as accurate as using specialized tools. Visual inspections are often used as a preliminary assessment before using more precise measuring tools.

When choosing a tool or method consider:

• Accuracy: Choose a tool that provides precise measurements, crack comparator card or precision device. Accurate measurements are critical for making decisions on repairs and maintenance.

• Ease of use: Choose a tool that is easy to read and use, reduces human error. Simple and user friendly tools can improve efficiency and accuracy in the field.

• Durability: Pick a tool that can withstand harsh environments and long term use. Durable tools will perform reliably over time even in tough conditions.

• Cost: Consider the cost of the tool and any maintenance or calibration required. Balance cost with functionality and durability to choose the best solution for your needs.

By knowing the importance of accurate measurements and choosing the right tools and methods, engineers and inspectors can ensure concrete structures and other building materials integrity, safety, efficiency and cost savings.

Economy Crack Width Gauge Card Comparator

Crack Comparator Card measures crack widths of concrete and other building materials used in roads, pavements, bridges and other concrete structures. The bottom plate of the card has a measuring grid and a hairline cursor for precision, to monitor crack movement across surfaces. This tool provides inspectors with an affordable and practical solution to measure crack widths in various construction materials. This credit card sized device is small, fits in a pocket and can measure cracks from 0.1 to 7.0mm (0.004 to 0.26in). Marked in inch and metric measurements. See our full range of Concrete Crack Monitors.

What is a Crack Comparator?

A crack comparator is a tool to measure crack widths in various building materials, concrete, masonry, drywall and other concrete structures. It is designed specifically to provide a quick and easy way to measure the crack widths, so inspectors and engineers can assess the damage and make decisions on repairs or maintenance. Crack comparators have graded lines or scales, users can measure the crack widths with precision, often in both inch and metric measurements. It’s useful to ensure building and structure integrity.

Economy Crack Comparator Features: Measure Crack Widths

• Compact size, field use

• Measured in inch and metric

• Compare cracks to marked lines of same crack widths

Included:

• Crack Comparator Card

At Certified Material Testing Products, knowing crack widths in concrete structures, bridges, buildings and roads is now remote with this concrete crack monitor. Concrete Crack Monitor is in stock and ready to ship today, order 1 or 100. Most orders arrive in 2-3 business days using FedEx ground shipping. Shop our Concrete Crack Monitors today!

Technical Specifications and Features

A crack comparator has technical specifications and features that are:

• A specific crack widths range, 0.004-0.100 inches (0.10-2.50mm) to measure different crack widths.

• Low cost alternative to graduated microscopes or other measuring devices, affordable and accurate.

• Compact, credit card size.

• Graded lines or scales to measure crack widths accurately.

• Durable, made of transparent or crystal clear material to read accurately and long lasting.

• Unique serial number or QR code for tracking and verification purposes.

• Measure vertical movement across cracks in flat surfaces to increase precision and usability.

Applications

Crack widths comparators for:

• Monitoring Crack Widths: Used as part of a monitoring program to track crack width and length and location over time.

• Concrete crack widths assessment: To assess the severity of concrete cracks prior to decide on repairs or maintenance.

• Building inspections: crack widths are used by inspectors to check building materials and concrete structures, cracks prior to determine defects.

• Quality control: To ensure building materials and concrete structures meet specifications and requirements, to maintain construction integrity.

Benefits of Crack Widths Measurement

Using an economy crack comparator has:

• Cost savings: Less expensive than graduated microscopes or other measuring devices.

• Convenience: Compact and easy to use.

• Accuracy: Measure widths in cracks accurately.

• Durability: Made of durable material, long lasting and less replacement.??????

What to Look For

When choosing a crack comparator consider:

• Range: What range do you need? 0.004-0.100 inches (0.10-2.50mm?

• Accuracy: Graded lines or scales?

• Durability: Made of what material?

• Size: Look for a compact crack comparator that fits in your pocket or wallet, easy to carry and use on-site.

• Price: Economy crack comparators are less expensive than graduated microscopes or other measuring devices.

By considering these factors you can choose the right crack comparator for your needs and measure widths accurately and reliably.

Full Range of Concrete Crack Monitoring Equipment

Certified Material Testing Products offers Concrete Crack Monitors as part of a full range of concrete testing equipment for roads, bridges and foundations. Need a vandal resistant monitor? The Concrete Crack Monitor Plus is the one for vandal resistant in the field. While a graduated microscope can be used for precise measurements the Economy Crack Comparator is a more convenient and cost effective solution. The Economy Crack Comparator is for concrete cracks measurements and monitoring. It allows you to determine the width value of a crack by aligning the comparator over the crack and reading the corresponding line. The Concrete Crack Width Gauge is for measuring widths and locations of cracks before starting a monitoring program. The Concrete Crack Displacement Monitor is for measuring horizontal and displacement movement where there is a step across a crack due to a displacement of “out-of-plane” movement.