Yokogawa CW500 Portable Power Quality Analyzer

Benefits of the Yokogawa CW500 Handheld Power Anaysers

• Handheld power analyzer for single and multiphase power.
• Acquisition period selectable 1 s to 2 h.
• 2 GB memory (SD card) and Software CW500Viewer incl.

Yokogawa CW500 Portable Power Quality Analyzer

The Yokogawa CW500 is a portable power meter and power quality analyzer. It utilizes a current clamp sensor that allows consumption and power quality measurement of the power line. The device is easy to use in lab or field applications, due to the versatile navigation screen of the unit. Stored measured data are easily accessed by a click on the file with included PC software.

Power Measuring and Logging

• Simultaneous measurement of 3 channels voltage input, 4 channels current clamp-on probe input (clamp-on probes are optional accessories), 2 channels DCV input.
• Displays value list or trend graph screen of instantaneous, average, maximum/minimum of voltage, current, power, power factor, phase angle, phase advanced capacitance calculation and DCV input.
• Integration value of active reactive apparent energy is each displayed by consumption and generation.
• Demand value can be monitored by screens of present power consumption compared to aimed demand power value.

Power Quality Measuring

Measure Temporary Malfunction of Power Line

• Captures temporary malfunction phenomena of power line which causes malfunction or destruction of devices by types (voltage swell, voltage dip, voltage interruption, transient overvoltage, inrush current) as an event by high sampling rate of 24 µs and RMS calculation.
• Event data contains the type of malfunction, occurred time or occurrence finish time, measured value and waveform of voltage and current of all channels for approx. 200 ms period.
• Measurement method conforms to IEC standard 61000- 4-30 Class S.

Measure Continuous Malfunction of Power Line

• Harmonics:
  Measure and display graphs and list of up to the 50th Harmonic components of voltage, current and power for each phase and in total.
• Waveform:
  Displays with up to 10 or 12 waveforms of voltage and current for each channel.
• Flicker:
  Measures, 1 minute flicker (Pst, 1 min), short flicker (Pst) and long flicker (Plt).
• Unbalance rate:
  Displays voltage and current unbalance rate on 3 phase wiring.

Analysis of Data and Report Generation

• CW500Viewer (included PC software):
  Automatically generates graph and report by simply clicking on a file data displayed on screen.
  Uniform management of main unit settings.
  Realtime measuring by USB communication.
• Types of data:
  Power data, power quality event data, main unit setting data, screen capture data.
• Memory card and interface:
  SD memory card, USB communication.