Power Quality Products

The Meridian family of power quality analyzers are the best tools available for the capture and analysis of voltage sags and swells, high frequency impulses, harmonics, transients, and all other power distortions. With portable and fixed mount units and a wide range of functionality, we have a monitor ideally suited for any application.

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MERIDIAN Portable Power Quality Monitor


The Meridian portable power quality monitor is a high performance product with an economical price. The ideal tool for all your power quality needs: sags, swells, outages to IEEE 1159, harmonics to IEC 61000-4-7, flicker to IEC 61000-4-15, transients, energy measurements and high frequency peak detection. A must for industrial high tech production, continuous process and all users of sensitive electronic equipment.

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MERIDIAN Quatro Portable Power Quality Monitor


The Quatro is a powerful portable monitor that provides simultaneous power, harmonic, transient and flicker analysis for single or three-phase circuits. It's the perfect tool for identifying voltage sags and swells, performing energy studies to optimize your electricity usage, and solving problems associated with harmonics and voltage flicker.

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MERIDIAN Ultra Portable Power Quality Monitor


With the ability to diagnose power problems quickly and accurately, the Meridian Ultra is simply the best tool available for the capture and analysis of voltage sags and swells, high frequency impulses, harmonics, transients, and all other power distortions. There is no need to bring along a separate computer, as the Meridian Ultra is a self-contained instrument, with all configuration, real time display, and post analysis performed directly on the unit. Analyze the data effortlessly with our automatic report generator that provides professional reports with all measurements and graphs on your own letterhead.

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P&QR Power & Quality Recorder

The P&QR is a comprehensive power and quality monitor that performs several functions in one unit: Power Quality Monitor, Transient Fault Recorder, Disturbance Recorder and Power Trend Recorder. The P&QR works for many applications with packaging for 19" rack mount, wall mount, and portable configurations. It features a large memory, and automatic event retrieval making it an ideal monitor for unmanned applications.

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