Yokogawa WT3000E Precision Power Analyzer

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

• Basic power accuracy: 0.01% of reading
• Both 2 A and 30 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 WT300E/WT500 series are high price-performance models popular for production line applications. The WT1800E allows measurement data to be viewed in a variety of ways, including numerical value display, waveform display, and trend display capabilities.

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 the reading value of apparent power
  ø is the 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 one 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

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

Yokogawa WT3000E Precision Power Analyzer Characteristics

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