Butler Group Test and Measurement General WT3000E PRECISION POWER ANALYZER



Offering the world’s best power measurement accuracy, the WT3000E provides engineers with a solution for testing and verifying product efficiency. The WT3000E is ideal for the design and testing of Solar Inverters, Motor Drives, Lighting Systems, Uninterruptible Power Supplies, Transformer Testing, Aircraft Power Systems, and other power conversion devices.

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With basic power accuracy of ±0.01% reading, DC and 0.1 Hz-1 MHz measurement bandwidths, and up to four input elements, the WT3000E provides high-accuracy measurement of I/O efficiency.

  • Basic power accuracy: 0.01% of reading
  • Both 2 A and 3low0 A input elements can be installed in a single unit
  • Good readability: 8.4-inch LCD and the range indicator LEDs
  • Simultaneous measurement with 2 units (Up to 8 power input elements)
  • Store function: 50 ms data storing interval
  • Multiple computer interface: GP-IB, Ethernet, RS-232 and USB
  • Advanced computation function: Waveform computation, FFT analysis, waveform sampling data saving.
  • The latest IEC61000-3-2 and IEC61000-3-12: Harmonic measurement
  • The latest IEC61000-3-3 and IEC61000-3-11: Voltage fluctuation / flicker measurement

Yokogawa's highest-precision power analyzer

The WT3000E is a member of the WT series of power analyzers which are designed to meet a variety of user needs. The WT3000E has the highest precision of all the Yokogawa power analyzers in the WT series. The WT300/WT500 series are high price-performance models popular for production line applications. The WT1800 allows measurement data to be viewed in a variety of ways, including numerical value display, waveform display, and trend display capabilities.

WTFamily 3

Reading error

Select the model most suited to your measurement needs

  • High accuracy and wide frequency range:
    Basic power accuracy:
    ±(0.01% of reading + 0.03% of range)
    Frequency range:
    DC, 0.1 Hz to 1 MHz

  • Low Power Factor Error:
    Power factor error when cos ø=0:
    0.03% of S where
    S is reading value of apparent power
    ø is phase angle between voltage and current

  • Current Range:
    Direct Input:
    0.5/1/2/5/10/20/30 [A] or 5/10/20/50/100/200/500 [mA], 1/2 [A] *
    2A and 30A input elements can be installed together in a unit.

  • External Input:
    50m/100m/200m/500m/1/2/5/10 [V]

  • Voltage Range and current range are for crest factor 3
    • 1000 [Vrms] Continuous maximum common mode voltage (50/60 Hz)
    • Data Update rate: 50 ms to 20 sec
    • Effective input range: 1% to 130%
    • Simultaneous measurement with 2 Units

Rear Panel

Wt30000E rear Panel

Standard Features Optional Features
  1. Voltage input terminals
  2. External current sensor input terminals
  3. Current input terminals
  4. GP-IB port
  5. BNC connector for two-system synchronized measurement
  1. Serial port (RS-232) (option/C2)
    or USB port (PC) (option/C12)
  2. Ethernet port (100BASE-TX/10BASE-T) (option/C7)
  3. VGA port (option/V1)
  4. D/A output (option/DA)
  5. Torque and speed input terminals (Motor Evaluation Option)


Example of basic characteristics showing the WT3000E’s high precision and excellent stability


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Sales +353 1 629 2620

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