Specifications
Parameter Specification
Model Yokogawa WT333E
Input Elements 1 element
Power Accuracy ±0.1% of reading (40-66 Hz)
Voltage Range 15/30/60/150/300/600 V (6 ranges)
Current Range 0.5/1/2/5/10/20 A (6 ranges)
Bandwidth DC, 0.5 Hz to 100 kHz
Basic Accuracy ±0.1% reading + ±0.1% range (40-66 Hz)
Power Factor Range 0.00 to 1.00
Harmonic Measurement Up to 50th order
Integration Function Energy measurement (Wh, Ah)
Data Update Rate 200 ms (5 readings/s)
Display High-contrast LCD display
Interfaces USB, Optional GPIB or RS-232
Operating Temperature 0°C to +40°C
Dimensions (W×H×D) 215 × 106 × 307.5 mm
Weight Approx. 3.5 kg
Key Features
Enhanced measurement accuracy for precise power analysis

Wide frequency bandwidth up to 100 kHz

Advanced harmonic measurement up to 50th order

High-speed data update rate (200 ms)

Compact and robust design for industrial use

User-friendly interface with clear display

Multiple communication interfaces for data connectivity

Measurement Functions
Voltage (RMS, mean, peak)

Current (RMS, mean, peak)

Active power (W)

Reactive power (VAR)

Apparent power (VA)

Power factor and phase angle

Frequency measurement

Harmonic analysis (up to 50th order)

Energy integration (Wh, Ah)

Waveform display capability

Advanced Capabilities
Improved measurement stability

Enhanced noise immunity

Extended measurement range

Better temperature characteristics

Advanced data processing

Customizable measurement setups

Long-term monitoring capability

Typical Applications
Switch-mode power supply testing

Motor and inverter efficiency evaluation

Power quality assessment in industrial systems

Energy consumption monitoring

Research and development projects

Manufacturing quality control

Educational and training applications