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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Accurate measurement of lower power factor devices

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Timing Tests at Power-On of Multiple Power Supplies

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

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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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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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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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Power Conversion Efficiency Measurement of Power Supply ICs 

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

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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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Harmonic measurements

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Reference equipment for power calibration

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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

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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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If a product uses power, then power consumption and power quality measurements must be made as part of product design and test. These measurements are essential to optimize product design, comply with standards and provide nameplate information to customers.
This article will discuss best practices for making these measurements, starting with power measurement basics and proceeding to the types of instruments and associated components typically used to make measurements. The article will conclude with real-world examples, which apply the information imparted earlier in the article to solve practical measurement problems. Although most of us have been exposed to basic power measurement equations, a primer is helpful to summarize this information and to show how it applies to product design and test.

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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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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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This white paper discusses the basics of AC, DC, and power measurements, and a three-step process for making precision electrical and mechanical power measurements on a variety of motors and variable frequency drive (VFD) systems. It is also shown how these measurements are used to calculate the energy efficiency for motor and drive systems. 

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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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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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