1.1 Product Overview
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Chapter 1 Overview
• High precision and stability ensure highly reproducible power measurements
• Electrical phase angle measurements necessary for motor analysis
• Measure motor efficiency by connecting with a high precision torque meter or encoder.
• Simultaneously measure AC and DC power.
• Separately measure power input, sold, consumed, and regenerated using the DC mode and the cur-
rent and integrated power (electrical energy) in RMS mode.
• Save long-term measurement data to high-capacity storage media.
• Easily measure inverter secondary power on site.
• Simultaneously measure primary and secondary inverter power.
• Measure inverter noise.
Overview Chapter 1
1.1 Product Overview
The HIOKI 3390 Power Analyzer is a high-precision, broad-range instrument for measuring electrical
power from DC to inverter frequencies. Four input channels are provided to support single- and three-
phase inverter motor system measurements.
For developing and evaluating high efficiency inverter motors
For developing and evaluating alternative energy sources such as solar,
wind power, and fuel cells
For inverter motor maintenance