Pull-off testers are specialized tools used to measure the adhesion strength of coatings, such as paint or adhesive, to a surface. They work by applying a controlled force to a small area of the coating until it detaches from the substrate. This helps determine how well the coating will perform in real-world conditions. These testers are commonly used in industries like construction and manufacturing, where the durability of coatings is crucial. By providing quantitative data on adhesion strength, pull-off testers assist in quality control and ensure that products meet industry standards, enhancing overall safety and performance.