Power quality: Recorder kit, includes software for analysis

-- Control Engineering, 2/6/2008

Everett, WA – Amprobe Test Tools offers the DM-II Plus Power Quality Recorder, a kit with PC download capabilities that records a broad spectrum of power quality parameters. The kit includes the power recorder, three current transducers, and four cables and alligator clips, in a rugged carrying case.

The recorder measures harmonics, voltage anomalies (sags and surges) and offers ample data storage memory and a large, easy-to-read display. Readings and charts can be viewed on the recorder’s LCD screen or downloaded to a PC using Microsoft Windows-compatible software, included.

It measures ac current up to 1,000 A with standard current transducers or up to 3,000 A with optional flexible current transducers; ac voltage; active, reactive and apparent power; energy; peak demand; and power factor. All measurements are true RMS. It works with single and three phase systems (Y and delta) and can record all parameters simultaneously. The recorder has 22 hours of battery life or can run on an external 12 V dc power supply, included. Amprobe is part of Fluke, a Danaher company.

—Edited by Mark T. Hoske, editor in chief 
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