The HIOKI PW3360 is a compact portable clamp-on power logger designed for on-site power consumption monitoring and energy audit without cutting cables. It supports single-phase 2/3-wire, 3-phase 3/4-wire industrial power circuits up to 780 VAC, and can measure up to 3 independent single-phase 2-wire circuits simultaneously on the same power source.

Equipped with Quick Setup wiring navigation, real-time wiring diagram prompt to avoid misconnection. Optional micro leakage clamp sensor enables tiny leakage current measurement down to 50 mA. Harmonic versions (suffix -11/-21/-31) support up to 40th harmonic analysis, THD, harmonic voltage/current/power content and phase angle.

Data logging via SD card for long-term unattended recording, recording interval adjustable from 1 second to 60 minutes. Built-in LAN, USB, pulse output interfaces for remote monitoring and automated test integration. Lightweight 550g body, can be fixed inside narrow distribution cabinets, powered by AC adapter or rechargeable battery pack for field portable use.