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

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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

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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 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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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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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 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.

Product Overviews

How-tos

    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.

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    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.

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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.

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    A demonstration reading a 4 - 20 mA transducer into an analog channel on the DL350 Portable 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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    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 DL350 Memory Recorder Mode Easy Setup, combined with a 16-channel thermocouple input, it's easy to record hours, days, or weeks of data with a few simple settings. 

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, harmonics lead to reduced system capacity and increased maintenance, downtimes, and costs. 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
    • Recognize and distinguish the critical difference between DFT and FFT
    • Discover important measurement tradeoffs across various test equipment

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