Southwire Tools & Equipment 21050T 400A AC/DC TrueRMS Digital Clamp Meter, Multimeter with 12 Functions PRECISION TOOL: True RMS readings provide accurate results on circuits with harmonic distortion. COMPATIBILITY: Measures both AC and DC current for use in multiple applications. FUNCTIONALITY: This TrueRMS Clamp Meter is the perfect testing tool for checking a wide range of electrical equipment. FASTER PROJECT TIMES: Built-in non-contact AC Voltage detector allows quick checks for live voltage. ERGONOMIC DESIGN: This multimeter is constructed out of impact resistant double molded housing that also provides a comfortable grip. SATISFACTION GUARANTEED: At Southwire, we strive to ensure that every product we develop helps increase safety, improve productivity, reduce manpower, save time and save money - both on and off the jobsite. After all, we don't just want to produce the most products. We want to produce the best products.