How to measure the thickness of aluminum sheets?

To measure the thickness of aluminum sheets, you can use various methods including mechanical thickness gauges, ultrasonic thickness gauges, or calipers. Mechanical gauges are simple and involve sliding a foot along the sheet until it bottoms out on both sides. Ultrasonic thickness gauges use sound waves to measure thickness and are non-destructive, providing accurate measurements. Calipers can also be used for manual measurement, though they may be less precise for very thin sheets. Always ensure the measuring device is calibrated and suitable for the material and thickness range of the aluminum sheet in question.