5 ½ Digits Dual-Display Digital Multimeters Sdm3055 for Automatic Production Test. Fast Measurement Speed: Achieves up to 150 readings per second for efficient testing. True-RMS Capability: Accurately measures AC Voltage and AC Current with True-RMS technology. Dual-Display Design: Features a 4.3-inch TFT-LCD with dual-display mode for better visibility. Large Storage Capacity: Includes 1 Gb NAND flash for storing configuration and data files. Versatile Connectivity: Supports USB Host, LAN, and optional GPIB interfaces for remote control. Comprehensive Math Functions: Includes Max, Min, Average, Standard Deviation, and Trend analysis. Flexible Customization: Offers flexible, minor, and full customization options from designs or samples.