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Cowles Andrus III

For 25 years, we’ve been developing specialized power quality monitoring systems that are all-weather, rugged, compact, and easy to use.
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Recent Posts

Electric Tankless Water Heaters and Power Quality

Jan 31, 2019 2:26:28 PM Cowles Andrus III PMI Products, Case Studies, Eagle

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Skin and Proximity Effect on Power Transmission

Jan 18, 2019 4:51:33 PM Cowles Andrus III Power Quality

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Introduction to Solid State Power Transformers

Nov 13, 2018 5:13:37 PM Cowles Andrus III ProVision, Using PMI Recorders

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IEEE Std. 141 Flicker Curve vs. IEEE 1453 Flicker Meter

Sep 28, 2018 2:34:30 PM Cowles Andrus III Power Quality, Flicker, IEEE Standards

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Analyzing Voltage Sags with RMS Capture

Sep 27, 2018 9:55:22 AM Cowles Andrus III Voltage Sag, Power Quality

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UPS Power Quality Case Study

Aug 31, 2018 11:39:35 AM Cowles Andrus III Power Quality, Case Studies

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Understanding Triplen Harmonics

Aug 7, 2018 10:29:20 AM Cowles Andrus III Harmonics/Interharmonics

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Linear vs Non-Linear Loads

Aug 1, 2018 4:22:46 PM Cowles Andrus III Power Quality

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Understanding Real, Reactive, and Apparent Power

Jul 23, 2018 2:56:25 PM Cowles Andrus III Power Quality

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Tips on Transformer K-factor

Jun 19, 2018 6:12:38 PM Cowles Andrus III Power Quality, Analyzing Waveforms, Harmonics/Interharmonics

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Power Monitors, Inc. is an industry-leading product design and manufacturing firm based in Mt. Crawford, Virginia. PMI® strives to solve power quality problems by listening to our customers and working with them to design and manufacture products. Total customer satisfaction is the primary goal of all PMI® staff. Please browse our site or call us to learn more about PMI® and how we can help meet your power monitoring needs.
800 N Main St Mt Crawford, VA 22841 | Toll Free 800.296.4120 | Fax 540.432.9430 | © Power Monitors, Inc.