Appliances & Lighting

Yokogawa has been providing instrumental service to industry giants as part of our core business since our early beginnings. We continue to provide critical tools such as the WT3000E and the SL1000 and a wide variety of precision power analyzers to industry leaders for use in compliance testing. Yokogawa is dedicated to protecting the global environment. One way we do this is through our partnerships with industry leaders who are also dedicated to the global environment and providing channels for superior energy efficiency. Yokogawa designs products specifically to test such industry standards as Energy Star and UL.

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In the test of new washing machine, voltage, current, power, and the control signal on the time control panel need to be recorded.

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【search key】 WT1, WT18, WT180, WT3, WT30, WT5, WT50, WT500, WT

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Evaluation of high efficiency motors in large air heaters

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

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ANIS8000APP01-01EN

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Observation of Inverter Switching Waveforms

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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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ANIS8000APP02-01EN

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ANIS8000APP03-01EN

Application Note
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  • How to Measure Harmonics with WT3000E Harmonic Measurement Meter
  • Harmonics standards compliance
  • Measuring up to 50 orders of harmonics at 1 KHz
  • 4 input elements
  • Measuring phase angles between phases

 

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Measuring Conversion Efficiency of Power Conditioner

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Surge Waveform Recording & Power Monitoring

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Evaluation of Wireless Charging System for EV/PHV

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Reference equipment for power calibration

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Evaluating Magnetic Components

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Characteristics of Transient Response from Industrial Robots

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In recent years the buzzword "all electric" is becoming popular, which refers to kitchen appliances, water heaters, and other devices in the home all being supplied with electric power.

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Prevention of global warming has become an issue in recent year, and industry is turning more and more toward stricter energy savings policies and the use of renewable energy.

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Capture and recreate waveforms with a DLM2000 and FG420

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Lighting products need to evaluate not only power parameters but also temperature.

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In recent years the buzzword “all electric” is becoming popular, which refers to kitchen appliances, water heaters, and other devices in the home all being supplied with electric power.

Application Note
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Evaluation of vacuum cleaner requires to measure distorted waveform.

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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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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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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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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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This white paper describes the WT1600 precision power analyzer, a model that has been discontinued and replaced with the WT1800E. Please visit the WT1800E product page for more information regarding the WT1800E.

We have developed the WT1600, a high-precision, wide-bandwidth power meter. The WT1600 can measure DC and AC signals from 0.5 Hz to 1 MHz with a basic power accuracy of 0.1%. With the maximum of six input elements installed, a single WT1600 can measure the efficiency of a three-phase inverter. In addition to the functions of conventional power meters, it has wider ranges and various functions including waveform display. This paper gives an outline of the WT1600. 

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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 

 

Product Overviews

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.

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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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    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.

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    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. 

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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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    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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