1The UT258A AC and DC clamp ammeter is designed to measure AC/DC current and leakage current (below 600V AC) 2With 4-digit LCD display, the number of data lines is clear and accurate, easy to use 3Non-contact measurement, simple operation and safe operation 4Hand-held design, small size, light weight, easy to carry 5Using the latest CT technology and digital integration technology, RS232 data transmission function, high precision and perfect function