Precision Power Analyzer


The Model WT3000E offers the world’s highest power measurement accuracy of 0.01% of reading +0.03% of range. It offers innovative measurement functions which benefit the engineer with electrical power measurements.  It is an ideal measurement solution for testing product efficiency and the design of inverters, motor drives, lighting systems, uninterruptible power supplies, transformer testing, aircraft power systems, and other power conversion devices.

 In order to evaluate the energy loss of the latest product designs more precisely, higher accuracy is required for the power measurement instruments.  With its cutting-edge performance, the WT3000E satisfies such market needs.

Two new measurement functions are provided as standard with the WT3000E.  The Delta Calculation function allows users to calculate the individual phase voltages, line-to-neutral, from the line-to-line voltages measured in a three-phase three-wire system.  This function can be very beneficial to the engineer in applications such as motor testing and others where there are no neutral lines.  The Cycle by Cycle measurement function enables users to list the measurement parameters of voltage, current and active power for each cycle in a time series.  This is a unique method to capture the fluctuating transient power with high precision.


  • World’s highest power measurement accuracy of 0.01% of reading +0.03% of range
  • 8 selectable voltage ranges: 15-1000V
  • 2 types of input elements
  • Low Current Element Selectable Input Ranges: 5, 10, 20, 50, 100, 200 and 500 mA and 1 and 2 amps.
  • High Current Element Selectable Ranges: 0.5, 1, 2, 5, 10, 20 and 30 amps.
  • 1-4 input elements can be installed
  • High resolution 8.4 in. TFT LCD display
  • 9 different pages of measurement items: numeric, waveforms, harmonic spectrum bar graphs and trends
  • Ethernet, USB, GPIB, and RS232 are available


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