The Fluke 301D Series AC/DC Clamp Meter is designed with a lightweight and compact body, which allows you to carry it around in your pocket. The slim and thin jaw can easily fit into tightly packed wires. The Fluke 301D test current, voltage, resistance, continuity, frequency (voltage and current), capacitance, and diode, etc.. You can handle multiple test needs with just one tool. With the AC/DC function, it can be applied to more application scenarios requiring DC testing, such as new energy of PV and wind power, new energy vehicles, communications, data centers, etc.