Yokogawa Precision Power Analyzer, WT3000E
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WT3000E Precision Power Analyzer

Brand: Yokogawa Electric Corporation
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Devices such as solar inverters are already working at overall efficiencies of 90 to 96%. To increase the efficiency, even by few decimal points, is a challenging and important goal for the manufacturers.

As the world’s most accurate power analyzer, the WT3000E provides the necessary levels of precision to truly confirm the smallest improvements in efficiency.

The WT3000E is not only the benchmark for energy efficiency measurement but also a reference for calibrating power measuring instruments in standards laboratories.

The WT3000E has a robust architecture offering unbeatable performance following the footsteps of its predecessor.

The focus on sustainable and renewable energy has raised the importance and need for manufacturers to comply to IEC standards during their product development.

The WT3000E provides the flexibility to mix 30 A and 2 A input current elements. This enables users to test the compliance of their products to the harmonics, flicker and standby power standards in a single instrument.
Features
  • Accuracy - The WT3000E is the world’s most trusted power analyzer thanks to its unmatched power accuracy
  • Reliability - With proven high stability, the WT3000E not only provides the best power measurement accuracy but also the ability to repeat these results time and time again
  • Expertise - The WT3000E represents 100 years of precision making and Innovation. With the widest variety of quality power measurement solutions, users can be confident that Yokogawa always provides the right solution for their needs

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Specifications

Brand

Accuracy

  • ± (0.05 % of Reading + 1 MHz)
  • ± (0.1 % of Reading + 0.1 % of Range)
  • ± 0.01 % (Reading) in the Guaranteed Accuracy Range from 1 to 130 % - Basic Power Accuracy
  • ± 0.02 % of Reading - Time Accuracy
  • ± 0.05 % of Range when the Input Signal Levels are greater than or Equal to 25 mV
  • ± 4 % (At Dmax = 4 %) at 23° ± 1° C (73.4° ± 1.8° F) of Ambient Temperature for Dc, Dmax
  • ± 5 % (At Pst = 1) at 23° ± 1° C (73.4° ± 1.8° F) of Ambient Temperature
  • 0.03 % of Reading Value of Apparent Power - Low Power Factor Error

Applications

  • Accurate Measurement of Fundamental PWM Voltage
  • Evaluation of Torque Speed Characteristics
  • High Frequency & Harmonic Measurements
  • Phase Voltage Measurement without A Neutral Line
  • Power Conversion Technologies Similar to Those used in Electric Vehicles (EVs) & Power Conditioners
  • Simultaneous Input & Output Measurement

Approvals & Certifications

  • AS
  • BS
  • CSA
  • IEC 61600-3-3, IEC 61000-3-11, IEC 61000-3-2, IEC 61000-3-12, IEC 61000-4-7
  • IEEE Standard 488.2-1992
  • NBR
  • PSE
  • UL
  • VDE

Channels

  • 20-Channels (Each Channel Can be Set Separately) - Number of Outputs
  • 2-Channels - Number of Measurement Channels
  • 4-Channels - Number of Measurement Channels

Communication

  • 100Base-TX
  • 10Base-T
  • Baud Rate: 1,200, 2,400, 4,800, 9,600, 19,200, 38,400 bit/sec
  • Baud Rate: 10/100 Mbps
  • Data Length: 9,000 - FFT Data Length
  • Ethernet TCP/IP
  • Full Duplex
  • GPIB
  • RS-232 (EIA-232 Standard for 9-Pin)
  • Start-Stop Synchronization
  • Word Length: 32-bits - FFT Processing Word Length

Computation Cycle

  • 1 second - Measurement Period for the Computation
  • 100 milliseconds - Measurement Period for the Computation

Consumption

  • 100 mA - Max.
  • 150 VA (When Using Built-in Printer) - Max.

Current

  • 2.5 mA-1 A (For Crest Factor 6) - Direct Input Current (2 A Input Element)
  • 250 mA-15 A (For Crest Factor 6) - Direct Input Current (30 A Input Element
  • 5 mA-2 A (For Crest Factor 3) - Direct Input Current (For 2 A Input Element)
  • 500 mA-30 A (For Crest Factor 3) - Direct Input Current (30 A Input Element)

Display

  • 8.4-inch TFT Color Liquid Crystal Display
  • Bar Graph
  • Numerical
  • Trend
  • Vector Display

Electrical Connectors

  • D-Sub 15-Pin Connector
  • D-Sub 9-Pin Connector
  • Insulated BNC Connector
  • Plug Connection
  • Plug-In Terminal (Safety Terminal) - Input Terminal
  • RJ45 Connector
  • Typical B Connector

Filter

  • Anti-Aliasing Filter Set Using A Line Filter (OFF, 500 Hz, 5.5 kHz, or 50 kHz)

Frequency

  • 10 to 2,600 Hz - Fundamental Frequency of the PLL Source
  • 2 to 200 kHz
  • 48 to 63 Hz - Allowed Supply Frequency Fluctuation
  • DC, 0.1 Hz to 1 MHz - Measurement Bandwidth

Function

  • Absolute Value (ABS)
  • Addition (+)
  • Division (/)
  • Exponential Average AVG2, AVG4, AVG8, AVG16, AVG32, AVG64
  • Multiplication (x)
  • Natural Logarithm (LOG), Common Logarithm (LOG10)
  • Negation (NEG)
  • Square Root (SQRT)
  • Subtraction (-)

Humidity

  • 20 to 80 % Relative Humidity, Non-Condensing - Storage & Operating Humidity
  • 30 to 75 % Relative Humidity

Input

  • ± 12 Vpeak - Amplitude Input Range
  • ± 22 V - Continuous, Max.
  • ± 42 Vpeak or Less - Continuous, Max.
  • 1 V (Peak-to-Peak) or more - Effective Amplitude
  • 1,000 V - Voltage & Current Input Terminal for Rated Voltage to Ground
  • 1,000 Vrms - Voltage & Current Input Terminal for Continuous, Max.
  • 110-130 V at the 150 V Measuring Range
  • 1-20 V
  • 2 A - Input Element
  • 220-250 V at the 300 V Measuring Range
  • 30 A - Input Element
  • 50 mV-10 V - External Current Sensor Input
  • 50 % Duty Ratio Square Wave - Input Waveform
  • 600 V (Rated Voltage of EN 61010-2-030 Standard) - Current Input Terminal for Rated Voltage to Ground
  • 600 Vrms (Rated Voltage of EN 61010-2-030 Standard) - Current Input Terminal for Continuous, Max.
  • Floating Input - Voltage
  • Peak Value of 1,600 V or RMS Value of 1,100 V, whichever is less - Continuous, Max.
  • Peak Value of 150 A or RMS Value of 50 A, whichever is less - Instantaneous, Max.
  • Peak Value of 2,500 V or RMS Value of 1,500 V, whichever is less - Instantaneous, Max.
  • Peak Value of 9 A or RMS Value of 3 A, whichever is less - Instantaneous, Max.
  • Shunt Input - Current
  • Square Wave
  • TTL

Input Impedance

  • 0.5 ohms - Direct Input 2 A Input Element
  • 1 Megaohm - External Current Sensor Input
  • 40 PF Approximately - Input Capacitance
  • 5 PF Approximately - Input Capacitance

Load

  • 100 kiloohms - Min. Load

Measuring Time

  • 0 to 3,600 seconds - Timeout Time

Media

  • Indoor - Installation Location

Mounting

  • Rack-Mounted

Operating Temperature

  • 5° to 40° C (41° to 104° F)

Output

  • ± 5 V Full Scale, Max.

Output Format

  • CSV Format
  • VGA Compatible

Output Load

  • 100 kiloohms - Min.

Port

  • 1-Port - Number of Communication Ports

Power Requirement

  • Lithium Batteries

Power Supply

  • 5 V, 500 mA (Per Port)

Pulse Range

  • 1 microsecond - Min. Pulse Width for Triggers

Remote Control & Monitoring Software

  • External Hold - Remote Control
  • External Print - Remote Control
  • External Reset - Remote Control
  • External Single - Remote Control
  • External Start - Remote Control
  • External Stop - Remote Control

Resistance

  • 1 Megaohm - Input Resistance
  • 10 megaohms Approximately - Input Resistance for Voltage

Resolution

  • 0.1 % - Setting Resolution
  • 1 Hz - Frequency Resolution
  • 10 Hz - Frequency Resolution
  • 16-bits - D/A Conversion Resolution

Sensor Input

  • 25 mV-5 V (For Crest Factor 6) - External Current Sensor Input (For 2 A & 30 A Input Element)
  • 50 mV-10 V (For Crest Factor 3) - External Current Sensor Input (For 2 A & 30 A Input Element)

Storage Temperature

  • -25° to 60° C (-13° to 140° F)

Supply Voltage

  • 100-240 Vac
  • 15-1,000 V - for Crest Factor 3
  • 7.5-500 V - for Crest Factor 6
  • 90-264 Vac - Fluctuation Range

System Requirements

  • Windows® 8 (32-bits/64-bits)
  • Windows® 8.1/Windows® 7 Operating System
  • Windows® Vista

Temperature Coefficient

  • ± 0.03 % of Range/°C
  • ± 0.05 % of Full Scale/°C
  • 0.02 % of Reading/°C at 5° to 18° C (41° to 64.4° F) or 28° to 40° C (82.4° to 104° F) - Voltage, Current & Power

Update Time

  • 2 seconds (dc, Dmax, D(t) & Tmax) - Display Update
  • 30 minutes Approximately - Warm-Up Time
  • 50 milliseconds to 20 seconds

Wiring

  • Single-Phase & Three-Phase, 3-Wire
  • Single-Phase, 2-Wire
  • Three-Phase, 4-Wire

  • Accurate Measurement of Fundamental PWM Voltage
  • Evaluation of Torque Speed Characteristics
  • High Frequency & Harmonic Measurements
  • Phase Voltage Measurement without A Neutral Line
  • Power Conversion Technologies Similar to Those Used in Electric Vehicles (EVs) & Power Conditioners
  • Simultaneous Input & Output Measurement

Documentation

Data Sheets

Product Manuals

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