The Amprobe DM-II Pro Data Logger Recorder is a three phase power quality recorder used to maintain, diagnose and troubleshoot electrical systems.

The Data Logger measures and records a broad spectrum of power quality parameters, is easy to use, and is capable of measuring and recording voltage, current, voltage anomalies (sags or surges), harmonics, energy and power (active, reactive and apparent), power factor (true and displacement), and frequency.AC Current: 1 - 1000A (expandable to 3000A with optional CT’s)±(1.0% Rdg + 3 LSD)