Auto Calibration & Alarm Function: Equipped with auto calibration and over limit alarm features, providing quick calibration and Hearable / visual alerts when measurements surpass set thresholds for industrial Process Large Data Storage & Export: Built in 1500 data storage capacity saves multiple measurement records, while USB connectivity allows data transfer to software for further analysis and reporting Versatile Probe option: Supports unknown sound speed calibration and comes with multiple probe option, adapting to different materials and working conditions for flexible thickness testing needs Wide Component Compatibility: This thickness Gauges accurately measures thickness for various materials including metal,, ceramic, and glass, with a measuring Ranges of 1.0 300Mm and high Accuracy of ±0.5% ±0.05Mm Clear Color Display: Features an full view color screen that shows single measurements, Greatest / min / average values, ensuring easy operate and clear data reading for efficient thickness measurement, Manufacturer: Oxxggkao