The Hioki PQ3100-94 is a Portable Power Quality Analyzers used for measuring single to three-phase lines with a high degree of precision and accuracy. The PQ3100-94 is a comprehensive but easy-to-use power quality analyzer for monitoring and recording power supply anomalies, allowing their causes to be quickly investigated, and also for assessing power supply problems such as voltage drops, flicker, harmonics, and other electrical issues. The PQ310094 also comes equipt with four 6000 Amp current clamps and other accessories.