The Hioki CM3286-01 Cat IV (600 V) is an auto-ranging, Bluetooth-compatible clamp tester that measures leakage current and mains current to 600 A, voltage to 600 V, single- and three-phase balanced power, energy, reactive power, power factor, phase angle, frequency and total harmonic distortion for current and voltage.

Power can be measured form 5 W to 360 kW (single-phase), 20 W to 623.5 kW (balanced three-phase/3-wire), and 40 W to 1080 kW (balanced three-phase/4-wire).

The product is IP54 rated, and clamps up to 46 mm-diameter conductors. A dedicated app to acquire measurement data on a smartphone or tablet is available, allowing reports to be automatically created from measurement data in the field. Supported devices include Android SMART model, iPhone 5, third-generation iPad and iPad mini.