How to Use a Paint Thickness Gauge?
2 Answers
The usage of a paint thickness gauge is as follows: After turning on the device, simply place it directly on the surface of the car paint. Within about one second, the screen of the paint thickness gauge will display the thickness of the car paint. The functions of the paint thickness gauge include detecting the thickness of the paint surface, checking whether the covering parts have been replaced, and examining the material of the covering parts, thereby determining whether there are any signs of paint repair. Precautions for using the paint thickness gauge: 1. Ensure that the probe of the gauge is perpendicular to the measurement surface; 2. Key areas to check include the front and both sides of the engine hood, the front and wheel arch sides of the front fenders, the lower areas of the doors, and the corners and wheel arches of the rear fenders.
I always use a paint thickness gauge to inspect cars. First, find a clean and flat painted surface, wipe off dust with a soft cloth, then gently press the probe onto the surface without applying too much force to avoid damaging the paint. Wait a few seconds until the screen displays a reading in microns. The standard thickness for factory paint is between 100-150 microns. If the reading exceeds 160, it likely indicates repainting or accident repairs. Test multiple spots such as doors, hoods, and fenders – significant variations in readings suggest issues. After use, clean the probe to prevent contamination affecting future measurements. Regular calibration is crucial to maintain accuracy and avoid missing clues. This tool has helped me avoid many problematic vehicles during inspections, especially when quickly identifying authenticity when buying used cars.
