The High-efficiency multimeter category features advanced digital and analog multimeters designed for precision measurements in electrical and electronic applications. These tools measure voltage (AC/DC), current, resistance, capacitance, frequency, and temperature with high accuracy. Key products include auto-ranging multimeters with True RMS for irregular waveforms, clamp meters for non-invasive current measurement, and compact models for fieldwork. Some units offer Bluetooth connectivity for data logging and app integration. Ideal for professionals in automation, industrial maintenance, and electronics repair, these multimeters prioritize durability, safety (CAT III/CAT IV rated), and user-friendly interfaces like backlit displays and rugged casings.