Specifications
Parameter Specification
Model Yokogawa PW3390-01
Voltage Input 4 channels (3-phase + neutral)
Current Input 4 channels (3-phase + neutral)
Power Accuracy ±0.1% of reading (45-66 Hz)
Voltage Range 15/30/60/150/300/600 V (ranges)
Current Range 5 A (direct input), 20 A (with external sensor)
Frequency Range DC, 0.5 Hz to 100 kHz
Basic Accuracy ±0.1% reading + ±0.1% range
Harmonic Measurement Up to 500th order
Sampling Rate 256 samples/cycle (up to 200 kS/s)
Data Update Rate 1 cycle (20 ms at 50 Hz)
Display 8.4-inch TFT color LCD with touchscreen
Interfaces LAN, USB, GPIB (optional)
Operating Temperature 0°C to +40°C
Dimensions (W×H×D) 340 × 177 × 440 mm
Weight Approx. 12 kg
Key Features
IEC 61000-4-30 Class A compliance for power quality measurements

Advanced harmonic analysis up to 500th order

Flicker measurement capability (Pst, Plt)

Interharmonic analysis function

Energy efficiency assessment tools

Long-term data logging capability

Three-phase + neutral measurement capability

High-resolution sampling for detailed analysis

Measurement Functions
Voltage (RMS, fundamental, harmonics)

Current (RMS, fundamental, harmonics)

Active, reactive, apparent power

Power factor and phase angle

Frequency and frequency deviation

Voltage and current unbalance

Flicker measurement (Pst, Plt)

Harmonic and interharmonic analysis

Power quality indices (THD, TDD, K-factor)

Advanced Capabilities
Energy loss calculation function

Trend data recording for long-term monitoring

Transient detection and recording

Waveform capture functionality

Custom report generation

Automated measurement sequences

Remote monitoring capability

Typical Applications
Industrial energy efficiency assessments

Power quality monitoring in facilities

Harmonic pollution analysis

Voltage flicker measurement

Energy management system verification

Electrical system troubleshooting

Compliance testing with power quality standards