Serving the Power Industry Since 1980
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Electro-Test and

Maintenance, Inc.

P.O. Box 1527

Rapid City, SD


Power Quality/Disturbance Analysis

Explain the Un-Explained…

Power quality and reliability problems cost businesses billions of dollars each year in lost revenue
ETMI has the tools and the expertise to help you diagnose power system anomalies such as: Demand Profiles, Harmonics, Voltage Issues, Transients, Power Auditing, Inrush and Energy Analysis.