Measure with Confidence! 📏 Red, green, and yellow warning lights for quick judgment. Store up to 500 sets of data with seamless USB data transmission. Single and two-point calibration ensures top-notch measurement accuracy. Automatic identification of iron and non-ferrous substrates for accurate readings. Screen content automatically rotates for easy viewing. Data Storage USB Connectivity Accuracy The UNI-T UT343D Digital Coating Thickness Gauge Meter offers precise measurement capabilities ranging from 0 to 1250um, featuring advanced calibration options, visual alerts, and extensive data storage with USB connectivity, making it an essential tool for professionals in various industries.