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HIOKI PW3390 – Portable 4-Channel Power Analyzer
The HIOKI PW3390 is a compact, lightweight, and high-accuracy 4-channel power analyzer, designed to meet modern testing requirements across automotive, renewable energy, and industrial applications.

With ±0.09% basic power accuracy, a 200 kHz measurement band, and motor analysis functionality, the PW3390 provides detailed insights into power efficiency, harmonics, and transient behavior, making it ideal for field testing and lab environments.

Key Features
±0.09% basic accuracy – for precise efficiency measurements

4 power channels – ideal for multi-point evaluations

Wide DC to 200 kHz power measurement bandwidth

50 ms data refresh rate for responsive measurements

Max input voltage: 1500 V

16-channel analog output (with D/A model)

Motor analysis including torque, speed, and slip (PW3390-03)

Complies with WLTP testing requirements for electric vehicles

Compact and portable – take it from lab to field with ease

Applications
WLTP testing for hybrid and electric vehicles

Inverter and motor efficiency analysis

Solar power system evaluation (converter efficiency)

Transient power & harmonics analysis

Evaluation of industrial drives, power converters, and power conditioners

Designed for Precision & Speed
The PW3390 offers 16-bit resolution and real-time harmonic analysis up to 100 kHz. Its data refresh time of just 50 ms allows for tracking fast-changing conditions and identifying noise or transient events.

Multiple PW3390 units can be synchronized for up to 32 channels, with one main controller managing timing across all devices for simultaneous multi-point measurement.

Motor Analysis Functionality (PW3390-03)
Measure essential parameters for motor and drive testing:

Torque, rotational speed, mechanical power, and slip

Evaluate inverter output and mechanical efficiency in real-time

Ideal for R&D and performance optimization in EV motors and industrial drives

D/A Output for Long-Term Monitoring (PW3390-02 & PW3390-03)
16 analog output channels (8 waveform @ 500 kS/s, 8 numeric @ 20 S/s)

Perfect for external data logging and real-time control applications

Visualize voltage, current, power, and other key metrics live

PW3390 Models Overview
Model D/A Output Motor Analysis
PW3390-01 ❌ ❌
PW3390-02 ✅ ❌
PW3390-03 ✅ ✅
What’s in the Box
PW3390 Power Analyzer

Instruction Manual

Measurement Guide

Power Cord

USB A to USB Mini-B Cable

Input Cord Labels (x2)

D-Sub Connector (PW3390-02, PW3390-03 only)

Engineered for Efficiency Testing in the Field
Whether you’re testing inverters, motors, solar converters, or conducting WLTP evaluations for (H)EVs, the PW3390 delivers world-class performance in a portable design.