Industrial & Consumer Electronics

Yokogawa has pioneered test and measurement instruments for the unique design and validation needs of the Industrial and Consumer Electronics Industries. Focused on saving our customers' precious time-to-market, research and production costs, and an effective solution for comprehensive testing, Yokogawa provides key design tools such as the powerful three-in-one DLM4000 MSO series. This instrument can function as a serial bus analyzer, logic analyzer, and a traditional oscilloscope for maximum flexibility and performance.
Meanwhile, Yokogawa's power measurement technology delivers Best in Class precision and stability. The digital power analyzers are perfect for general purpose trouble shooting, validating designs, or manufacturing test. Yokogawa provides cutting-edge measurement solutions. The first to provide dedicated analysis and support for serial bus protocols, including FlexRay, CAN bus, I2C, SPI, and UART. Yokogawa's DLM4000 series Digital Storage Oscilloscope is a Test & Measurements World Award Winner. Additionally, the SL1000 is a High-Speed Data Acquisition Unit that offers fast acquisition, transfer, and data storage - another powerful measurement tool. Yokogawa continues to innovate technologies designed to fit your electronic testing needs.

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Measurement of I/O Characteristics of Semiconductor Devices

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  • Battery Voltage Fluctuation During ABS Action
  • Why Does My Battery Voltage Meter Fluctuate During ABS Action?
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What is an Oscilloscope? Oscilloscopes, also called digital storage oscilloscopes (DSOs) or mixed signal oscilloscopes (MSOs), are common test instruments used to display, analyze, and troubleshoot electrical or physical signals.

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With increased focus on reducing energy consumption and compliance with efficiency standards, this app note provides an overview on the types of measurements needed for efficiency and power quality, and the instruments that take them.

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What is a Power Analyzer? Power analyzers and power meters measure electrical power in devices that generate, transform, or consume electricity.

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The accuracy of a measurement instrument varies with the range over which a reading is measured. Not all instrument manufacturers specify accuracy and ranges in the same manner. This article explores the impact of range definitions on measurement accuracy and how one can be mindful when comparing accuracy across instruments.

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A ScopeCorder is a powerful portable data acquisition recorder that combines features of a multi-channel digital oscilloscope and a high-performance oscillographic recorder. As such, it can capture and analyze both short-term transient events and long-term trends for periods up to 200 days.

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Energy consumption in low-power and standby modes is an important issue due to increased awareness that energy resources are becoming limited and demand for energy-saving household electrical appliances continues to grow. IEC62301 Ed2.0 (2011) and EN 50564:2011 define standby mode as the lowest energy consumption of an appliance not performing its main function, when connected to the mains. IEC62301 Ed2.0 (2011) defines test methods and requirements for both the mains supply and the test equipment. It is crucial that design and test engineers choose highly accurate power measurement tools to confirm that their devices meet these requirements.

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Timing Tests at Power-On of Multiple Power Supplies

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Accurate measurement of lower power factor devices

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The GS820 can measure drain current ID by applying gate-source voltage VGS from channel 1 and drain-source voltage VDS from channel 2.

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Total efficiency measurement of EV/PHV

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Using the OR trigger and Dual Capture, it is easy to trap and record failure conditions on electrical harnessses (wiring interconnects) over a long duration test.

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Testing actuation of a side impact airbag to measure the optimal timing.

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Measuring efficiency with high precision: simultaneous measurement of input and output

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Power Conversion Efficiency Measurement of Power Supply ICs 

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Observation of Inverter Switching Waveforms

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Evaluation of Wireless Charging System for EV/PHV

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Surge Waveform Recording & Power Monitoring

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Measurement of Power Consumption in Mobile Phones 

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Measuring Conversion Efficiency of Power Conditioner

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Evaluating Magnetic Components

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Characteristics of Transient Response from Industrial Robots

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Reference equipment for power calibration

Application Note
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For maintain of power measurement instruments

Application Note
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High frequency fluorescent lamp/ballast and LED measurement

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The latest IEC harmonic/flicker standards testing

Application Note
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Power and harmonic/flicker measurement of devices including the latest semiconductor

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Measuring efficiency with high precision

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  • Power consumption/quality measurements for product design and test
  • Design, compliance, and customer information
  • Best practices
  • Instruments and components
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In this application note you will learn when and how to use different methods to connect a current transformer to a power analyzer.

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One of the main responsibilities of engineers and technicians is data analysis, and this article will show how multi-touch technologies can be used to improve the performance of this and other related tasks.

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  • Parametric characterization of DC-DC converters using source measure units
  • GS 610, 820
  • Purposes include stable power supply and providing stimulus to circuit to measure response
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The DL850 Scopecorder can take engineers to a new level of efficiency in the development of everything from green devices to complex advanced systems.

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The request for lower uncertainties in power measurements are increasing,especially in the transformer industries. Their role is to ensure that the electricity is distributed in an efficient and reliable way. 

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This white paper describes the WT1800, a precision power analyzer that has been replaced by the WT1800E, a unit with numerous improvements including better accuracy. Please visit the WT1800E product page to learn more about the WT1800E.

To keep pace with the increasing speed of switching devices in inverters, Yokogawa has developed the WT1800 precision power analyzer with 10 times faster sampling speed and 5 times wider frequency bandwidth compared with previous models. Its basic accuracy is 0.15% and the frequency bandwidth of voltage and current is 0.1 Hz to 5 MHz (-3 dB, Typical) including the DC component. With up to six inputs, a single WT1800 unit can measure the efficiency of three-phase inverters. In addition, the high-speed data capturing mode allows the WT1800 to measure transient power. This paper describes the high-speed, real-time power measurement technologies underlying these functions.

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The objective of this paper is to show the close relationship between efficiency and power quality, and provide education on the causes of power quality, types of power quality issues, and provide guidance on measurement considerations.

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This article looks at some of the factors that can affect the accuracy of power measurements and shows how users can address the challenges presented by the need for accurate energy-efficiency testing.

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  • Motor testing, variable speed drive testing procedure
  • AC, DC, and power measurement
  • Precision measurements on motors and VFD systems
  • How to calculate energy efficiency 

 

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10-video training series from Yokogawa Test&Measurement that covers the basics of power analyzers including an overview of our power analyzers, their theory, wiring, filters and sync source, and voltage and current ranges. 

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Yokogawa Test&Measurement WT5000 Precision Power Analyzer training module series: Setup menu including basic setttings and advanced options

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Part 1 - Part 7 of the Yokogawa Test&Measurement IS8000 Integrated Test and Measurement Software Platform training module series. These videos provide a big picture look at the software.

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Part 8 - Part 16 of the Yokogawa Test&Measurement IS8000 Integrated Test and Measurement Software Platform 20-video training module series. These trainings detail waveform display settings and analysis options.

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Part 17 - Part 20 of the Yokogawa Test&Measurement IS8000 Integrated Test and Measurement Software Platform training module series. These videos provide information on some additional features including PTP synchronization, report generation, screen capture, and high-speed camera synchronization. 

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Yokogawa Test&Measurement WT5000 Precision Power Analyzer training module series. These videos go over the settings in the computation/output tab of the setup menu.

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Yokogawa Test&Measurement WT5000 Precision Power Analyzer training module series. These videos detail available software and integration platforms for communicating with the WT5000 Precision Power Analyzer.

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Yokogawa Test&Measurement WT5000 Precision Power Analyzer training module series. These videos go over the different types displays including numeric, wave, trend, bar, and vector. 

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Yokogawa Test&Measurement WT5000 Precision Power Analyzer training module series: utility menu which includes system overview, remote control, upgrades, and more.

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S.E.A. is a manufacturer of oil-cooled, air-cooled, and cast resin transformers that are used globally in power-transmission and distribution networks, railway infrastructures, factories, and for industrial equipment. S.E.A. products are high-value assets expected to provide a return over decades. Quality, durability, safety, and reliable performance are therefore the key characteristics that customers are looking for when they specify a new transformer or reactor.

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Laval University is a research institution world renowned for optics and photonics technology research and training, and are the founders of The Center for Optics, Photonics, and Lasers (COPL).

The university's researchers needed a faster and more efficient and practical solution to measure the spectral performance of lasers and optics beyond traditional telecom wavelengths. To achieve this, they contacted Yokogawa Test&Measurement and collaborated to develop a breakthrough grating-based optical spectrum analyzer that could cover MWIR wavelengths up to 5.5 um. Click to learn how productivity in the research lab dramatically increased for precise characterization of laser sources, and active/passive optical components in the fields of communications, medical diagnosis, advanced optical sensing, and environmental and atmospheric sensing.

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AC Kinetics was challenged by Georgia Pacific to develop an algorithm to optimize the operation of large AC induction motors by 10%. To test their algorithm on a motor drive, they needed to demonstrate repeatable measurements in a real world application.

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When I started with my company almost 20 years ago, Yokogawa Test&Measurement instruments were already in use and the engineers had no intention of switching. In fact, we still routinely use some of the older instruments because, well, they just work! The equipment doesn't really become obsolete, and they support their instruments as long as is feasible, which ultimately saves us money. Even so, as things change in our industry Yokogawa adjusts to meet those changes. From our sales representative through technical support and more, I can count on the Yokogawa team to really listen and work with us to provide a specific solution for unique problems.

—Senior Lab Technology Engineer, EMI/EMC, Large Power Systems, Testing, Global Design of Commercial and Industrial Power, Cooling, and IT Infrastructure

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For standby power measurement and energy certification maintenance, we rely on Yokogawa Test&Measurement instruments. Their precision, accuracy, and ease-of-use are unrivaled. When given a choice between other test and measurement equipment and Yokogawa, our technicians always go for Yokogawa first. The support team provides thoughtful insights based not just on our industry but also our company’s specific needs. My team has used Yokogawa Test&Measurement instruments for decades and will continue to do so well into the future.

—Director of Technology Laboratories, International Multi-Brand Manufacturer of Major Home Appliances

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We developed an algorithm to optimize induction motor operation and produce an average power consumption savings of at least 10%. To demonstrate our algorithm’s effectiveness, we needed a proven and verified system that would give these results credibility. The solution provided by Yokogawa Test&Measurement enabled us to monitor and refine our algorithm using real-time speed, power, and temperature readings – data that would normally be incredibly difficult to accurately obtain. Having these real-world results that demonstrate the effectiveness of our algorithm means we can be more efficient with our own customers. —Neil Singer, President, AC Kinetics

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In a research paper published on IEEE Xplore, researchers from Częstochowa University of Technology and University of Naples Federico II use a Yokogawa Test&Measurement WT310 Digital Power Analyzer to attain accurate and reliable power and energy measurements from the ccNUMA/SMP system. 

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In a research paper published by ISLPED '22: Proceedings of the ACM/IEEE International Symposium on Low Power Electronics and Design, researchers from Loyola University Chicago and Purdue University use a Yokogawa Test&Measurement WT310E Power Meter to measure the energy consumption of the various techniques presented.

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In a research paper published on IEEE Xplore, Electric Power Research Institute (EPRI) researchers use a Yokogawa Test&Measurement Advanced Digital Power Meter to consistently and accurately measure computer power supply dc output/input voltage, current, power, and power factor.

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In the paper published on OpenUCT, a Cape Town University researcher uses a Yokogawa Test&Measurement High-Performance Power Analyzer to record instantaneous voltage and current of a three-phase, four-wire system.

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In the research paper published by the International Measurement Confedertion (IMEKO) via their online journal Acta IMEKO, researchers from Yokogawa Test&Measurement and the National Institute of Advanced Industrial Science and Technology's (AIST) National Metrology Institute of Japan (NMIJ) use a Yokogawa Test&Measurement MT300 Digital Manometer.

Product Overviews

    Overview:
    • Yokogawa DLM5000 mixed-signal oscilloscope
    • 4-to-8 channels
    • Easily navigate through a wealth of analysis features 
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    The DLM5000HD Series High-Definition Oscilloscope is the latest addition to the Yokogawa Test&Measurement oscilloscope line-up that takes you beyond eight channels.

    Adaptability is key in the development of high-performance and intelligent power semiconductor technologies and mechatronics in modern electric vehicles, motor controls, and energy efficient electronic designs. With up to 16 bits high resolution, best-in-class startup speed, the ability to support measurements up to 16 channels, high noise immunity for harsh environments, and more, the four-to-eight channel DLM5000HD Series enables easy touch navigation through a wealth of analysis features.

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    Introducing the new Yokogawa Test&Measurement AQ6380 Optical Spectrum Analyzer. This new OSA includes many sought-after features including:

    • An unprecedented 5 pm wavelength resolution
    • ±5 pm wavelength accuracy
    • 1200 nm to 1650 nm wavelength range
    • 65 dB wide close-in dynamic range
    • 80 dB stray light suppression
    • Automated wavelength calibration
    • Gas purging
    • DUT-oriented interface and test apps
    • Backward-compatible remote interface
    • 10.4in intuitive touchscreen
    • Up to 20x faster measurement
    • Remote operation capabilities

    Overview:
    • Values and key features of Yokogawa’s DL850EV ScopeCorder
    • Capture high-speed transient events and long-run trends
    • Widely used in automotive, power electric, mechatronics
    Overview:

    The DLM3000 Mixed Signal Oscilloscopes Automotive Serial Bus features can display up to four simultaneous serial buses and decoded data.

    Overview:
    • Yokogawa DL350 Scopecorder
    • Video: Features and Applications
    • Related Industries, Products, and Solutions
    Overview:

    The Yokogawa DLM3000 Mixed Signal Oscilloscopes, oscilloscope features a brand-new computing platform and available power supply analysis functions. 

How-tos

    Overview:

    The Power Consumption Measuring Software from Yokogawa Test&Measurement provides a comprehensive solution for standby power testing and meets the requirements of:

    • IEC 62301:2011 Ed2.0 – Household electrical appliances (measurement of standby power)
    • EN 50564:2011 – Electrical and electronic household and office equipment (measurement of low power consumption)

    In this video, application engineer Kourtney Morrison demonstrates how to use the software for easy standby power measurement.

    Overview:

    We are going live on YouTube to answer your questions about the Yokogawa Test&Measurement DL950 ScopeCorder. Join us as we discuss how to make the most of this versatile instrument based on your application needs. Whether you’ve worked with a ScopeCorder for years or curious if it is a good fit for your engineering work group, this live stream can help.

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    We are going live on YouTube to answer your questions about the Yokogawa Test&Measurement WT5000 Precision Power Analyzer. Join us to discuss how to make the most of this versatile instrument based on your application needs. Whether you’ve worked with a power analyzer for years or curious if it is a good fit for your engineering work group, this live stream can help.

    Overview:

    The multi-unit synchronization option for the Yokogawa Test&Measurement DL950 ScopeCorder lets you time synchronize up to five DL950 ScopeCorders, for up to 160 channels of voltage, current, temperature, strain measurements, and more. This video walks you through how to set up and connect the multiple DL950 ScopeCorders, take measurements, and pull the data from all of the instruments for analysis with the IS8000 Integrated Test and Measurement Software Platform.

    Overview:

    A demonstration reading a 4 - 20 mA transducer into an analog channel on the Portable DL350 ScopeCorder.

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    Looking for a turnkey high-speed data transfer solution with better bandwidth and minimal manual overhead?

    The 10Gb Ethernet option on the Yokogawa Test&Measurement DL950 ScopeCorder fits that very role and makes capturing and recording high-speed data seamless and convenient.

    Record data at 50 times the speeds of traditional Ethernet and USB connections and automatically transfer data to your PC in a single step using the IS8000 Integrated Software Platform.

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    CAN Bus communication is widely used in the transportation industry where reliable transmission of data is paramount. Monitoring and recording these communications can be easier when using the proper instruments. In this video, a Yokogawa Test&Measurement Applications Engineer demonstrates how to setup the DL950 ScopeCorder to read the temperature of a motor drive alongside its voltage and current output.

    Overview:

    Having multiple memory options allows engineering groups to optimize how data is stored, no matter if you need to record for a long time at slower sampling rates, do a fast capture at high sampling rates, or anything in between.

    The Yokogawa Test&Measurement DL950 ScopeCorder operates as an oscilloscope and incorporates the ability to record data for long periods of time like a data acquisition recorder. There are four memory types on the DL950 ScopeCorder: internal memory, solid state drive, flash memory, and PC storage through the IS8000 Integrated Test and Measurement Software Platform. This videos talks about the advantages of each of these and how to pick the best data recording method for you.

    Overview:

    This video demonstrates how to measure transient phenomena on power signals using the Yokogawa Test&Measurement PX8000 Precision Power Scope.

    In several applications, especially those testing AC power to a standard such as IEC61000-3-11, the voltage and current signals must be monitored to confirm there are no major dips and/or swells in the signal. This can be done with instruments capable of reporting rms values, including power analyzers, traditional oscilloscopes, and some data acquisition systems.

    To test to a standard, however, the instrument must have an accuracy spec that is traceable back to a national standard of calibration such as ISO17025 or NIST.

    Overview:
    • Using the portable DL350 ScopeCorder Memory Recorder Mode Easy Setup
    • Combined with 16-channel thermocouple input
    • Record hours, days, or weeks of data

Webinars

    Overview:

    Why should you be concerned with your product’s power system voltage and current harmonics? From an engineering perspective, harmonics produce excessive heat in equipment that causes significant damage and results in inefficient operation. From a business perspective, compliance is an absolute requirement for entry into global markets. To minimize or eliminate these issues and establish acceptable levels of harmonics, numerous power quality standards with specifications and limits for harmonic distortion, such as IEEE 519-2014 and IEC61000-3-2, have been introduced. During this webinar, attendees will gain knowledge on the inner workings of harmonics, learn best practices for accurately measuring harmonics, learn to recognize and distinguish the critical difference between DFT and FFT, and discover important measurement tradeoffs across various test equipment.

    Overview:

    While DC power measurements are relatively straight forward, AC power measurements that include distorted waveforms, varying power factors, and multiple phases can add complexity to an otherwise simple measurement. During this webinar, we cover multiple fundamentals of power measurement.

    Key topics include:

    • Multi-phase measurements
    • Measurement techniques
    • Measurement applications
    • Real-world examples and more

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