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Yokogawa CW500 Power Quality Analyzer

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The Yokogawa CW500 is a portable power meter that utilizes current clamp-on probes, easy to use navigation screens and bluetooth and SD cards for communication and data logging. These features enable user-friendly power consumption and power quality measurements in the field that conform to IEC61000-4-30 Class S. This standard dictates that two measuring instruments of similar rating must measure within some percentage of each other when exposed to the same signal.

Utilities and substations contain large arrays of transformers, generators and electrical distribution networks. To maintain the health and safety of such infrastucture, a reliable power quality analyzer is needed. This power quality analyzer should be capable of not only logging single to multi-phase power, but also trend and monitor anomalies in the power system such as voltage sags,swells and dips, as well as flicker, inrush current, and demand changes. The CW500 power quality monitor is perfectly suited for this task due to its:


Varied Functionality
  • Log anything from single phase two wire to three phase four wire systems, and everything in between
  • Capture irregularities in your power system such as voltage sags,dips, swells and log them conviently to RAM or an SD card
  • Log upto 50th orders of harmonics
  • Vector display for convenient tracking of voltage/current phase relationships
  • Small form factor and battery inputs allow the user to take this unit anywhere, anytime
  • Use the free CW500 viewer to connect remotely to the unit to log data or view events in real-time
Ease of use
  • Quickly and easily shift between setting up the unit or viewing logged variables and waveforms
  • Supports USB and bluetooth
  • Set a predetermined record length or schedule or a start time and duration for logging data



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