Compliance, Analysis, and Efficiency

Innovations and expertise in renewable energy and power measurement and testing

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Power Measurement for Motors and Drives

Analyze source-to-load systems from supplied power to motor output and everything in between

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Our Highest Performance OSA

Wavelength resolution down to 5 pm and wavelength band from 1200 to 1650 nm

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Meet The Precision Makers

The world's most trusted measurement partner

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Fundamentals of Power

Learn the fundamentals of AC and DC power measurement and practical techniques to improve accuracy and reduce uncertainty.

AQ6361 & AQ7420 Earns Lightwave Innovation Reviews Honors

Yokogawa Test & Measurement announces its AQ6361 OSA and AQ7420 Reflectometer as winners of the 2026 Lightwave Innovation Reviews.

Request Your Free Poster

This free vintage-style poster illustrates key concepts and equations for power measurements including AC/DC measurements, mechanical power, multi-phase wiring diagrams, AC measurement conversion table.

Next-Gen LiDAR Concepts Webinar

This webinar covers operation principles and challenges of different LiDAR concepts, a brief discussion on the LiDAR market, and a review of critical optical components such as photodetectors and sources. Co-presented with Jake Q. Li of Hamamatsu.

Unify Data Across Engineering Work Groups with The Power of One

Unify test and measurement instruments, software, and data across engineering work groups with The Power of One, including accurate power data, fast sampling rates, long recordings of multiple different input types, and insights into waveform data.

Laval University Photonics Case Study

Laval University Case Study

Researchers needed a faster, more efficient solution for spectral performance of lasers and optics beyond traditional MWIR wavelengths, up to 5.5 um. Read how productivity increased for characterization of laser sources, and active/passive optical components for communications, medical diagnosis, advanced optical sensing, and environmental and atmospheric sensing.

Past Events

Automotive Testing Expo 2026

Visit Yokogawa in Booth T1100 at ATE 2026 to learn about precision power measurement solutions that help engineers meet the challenges of EV development, motor drive design, inverter testing, and energy efficiency. Our portfolio (including digital power analyzers, oscilloscopes, and data acquisition systems) supports R&D, production, and compliance teams advancing next-gen sustainable mobility.

Tradeshow | Novi, Michigan
Oct 26 - 28, 2026
IEEE Energy Conversion Congress & Expo (ECCE) 2026

Yokogawa is vigilant in developing new products which will continue to meet the complexities of new emerging energy requirements and markets. Visit us at Booth 400 this October at the IEEE Energy Conversion Congress & Expo (ECCE) to learn more.

Tradeshow | Vancouver BC, Canada
Oct 3 - 7, 2026
European Conference on Optical Communication (ECOC) 2026

Join Yokogawa at ECOC 2026, taking place 21–23 September at FYCMA, Málaga, Spain.

Discover our latest optical test and measurement solutions for high-speed, high-performance networks. Meet our experts, experience live demonstrations, and explore how Yokogawa innovations are shaping the future of fibre-optic communication.

Stand 2157,  don’t miss it!

Tradeshow | Málaga
Sep 21 - 22, 2026
CIGRE Paris Session 2026

Join us at CIGRE Paris Session 2026 and see how we approach power measurement with precision. We will be at Palais des Congrès, Booth B232.

We will demonstrate how engineers in power generation, transmission, distribution, and energy conversion validate electrical performance with confidence.

Tradeshow | Paris, France
Aug 22 - 27, 2026
The Fundamentals of Power

Build a stronger understanding of modern power measurement principles and learn practical techniques for improving accuracy and confidence in AC and DC electrical testing. 

Webinar | Live Webinar
Aug 19, 2026 2:00 PM

Precision Making

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