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Advanced Test and Measurement
Instruments and Power Supplies

Yokogawa WT1800E Series

Precision Power Analyzer with up to 6 input elements

Images for illustrative purposes only. Please refer to product details. Click on the main image for a larger view and to see image descriptions.

With up to 6 input modules ("elements") the WT1800E is typically used for efficiency measurements on three-phase motors and drives, power supplies with multiple inputs/outputs and LED lighting applications etc. The WT1800E is a universal meter for power electronic and energy analysis.

  • Basic power accuracy of 0.1%
  • Input power frequency range of DC, 0.1 Hz to 1 MHz
  • Simultaneous power measurements and dual channel harmonic measurements up to the 500th order

The WT1800E series is an enhanced version of the WT1800 with the following differences:

  • Enhanced Connectivity – Modbus, Ethernet & A New Built in Power Supply option for External Sensors
  • Reduced influence of Power Factor
  • Doubled Crest Factor (can now range to 280% of range and be in spec)
  • Improved Auto Adjust Ranging
  • Improved update rate
  • Frequency measurement, delta computation and high speed capture options (previously costing over £5000) are now included as standard.

Product Variants

Model Price

WT1801E

Precision Power Analyzer with single input element 		POA

WT1802E

Precision Power Analyzer with 2 input elements 		POA

WT1803E

Precision Power Analyzer with 3 input elements 		POA

WT1804E

Precision Power Analyzer with 4 input elements 		POA

WT1805E

Precision Power Analyzer with 5 input elements 		POA

WT1806E

Precision Power Analyzer with 6 input elements 		POA
Model Description Price
WT1801E/AUX
 WT1800E option: Auxiliary Input POA
WT1801E/B5
 WT1800E option: Built-in Printer POA
WT1801E/DA
 WT1800E option: 20-channel DA Outputs POA
WT1801E/EX1
 External current sensor input for WT1801E POA
WT1802E/EX2
 External current sensor inputs for WT1802E POA
WT1803E/EX3
 External current sensor inputs for WT1803E POA
WT1804E/EX4
 External current sensor inputs for WT1804E POA
WT1805E/EX5
 External current sensor inputs for WT1805E POA
WT1806E/EX6
 External current sensor inputs for WT1806E POA
WT1801E/G5
 WT1800E option: Harmonic Measurement POA
WT1802E/G6
 WT1800E option: Simultaneous Dual Harmonic Measurement POA
WT1801E/MTR
 WT1800E option: Motor Evaluation Function POA
WT1801E/PD
 WT1800E option: current sensor power POA
WT1801E/V1
 WT1800E option: RGB Output POA
This information is based on manufacturer's data, however it should be noted that some options may be mutually exclusive and may only be applicable to certain variants within a product series. Please refer to the manufacturer's data sheets for clarification or contact us for assistance.
No results found in this category. For some products this is because accessory list is too extensive and complex to list. Sometimes options are interdependent or mutually exclusive. Please refer to the datasheet or contact us if you can't find what you're looking for.