GM100 LED Metal Tester - Accurate measurement The GM100 LED metal tester uses an automatic calibration point to correct errors and ensure precise and reliable measurements. It also features linear automatic compensation to correct non-linear probe errors, greatly improving accuracy. - Practical data management This metal tester includes data storage, data query, and data erase functions, allowing easy management and access to measurement records. A battery level indicator ensures you know when to recharge to avoid interruptions during important measurements. - User-friendly design Designed for ease of use, the GM100 includes an automatic shut-off function to save battery life and an LCD backlight for clear visibility in low light. The device is compact and lightweight, weighing only 210 grams for easy handling and portability. - Wide measuring range Measuring range: 2 to 220 mm (steel) with a sound speed range of 1000 to 9999 m/s, suitable for a variety of applications. It provides a resolution of 0.1 mm to ensure accurate and detailed measurements. - Practical use scenarios - In metal fabrication and quality control, verify plate or sheet thickness of steel components during production. - During pipeline maintenance, measure the wall thickness of steel pipes to ensure structural integrity. - In automotive and machinery service, inspect thickness of metal panels and housings to assess wear or corrosion.