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DC, 0.5 Hz to 150 kHz, 3-phase 4-wire, High Precision Power Analyzer for Motor and Inverter Efficiency Analysis




Hioki benchtop power meters and power analyzers are best in class power measuring instruments for measuring single to three-phase lines with a high degree of precision and accuracy. The 3390-10 is our most precise power analyzer, featuring a broad range for measuring electrical power from DC to inverter frequencies, providing four input channels to support single- and three-phase inverter motor system measurements. POWER ANALYZER 3390

Order Code

3390-10 super precise version

Note: Data sheets for specific combinations of Model 3390-10 and current sensors available upon request. Note: Optional current sensor and voltage cord are necessary to measure current or power parameters.


Key Features

• Super precise ±0.1% accuracy model to meet the demanding needs of today

• Switch from one range to another and still maintain the same ±0.1% accuracy on all ranges

• Guaranteed accuracy period is extended another 6 months from the basic Model 3390 (other functions remain the same)

• Advanced motor analysis functions (measures the electric angle and supports vector control)

• High-speed harmonic analysis function (50 ms data refresh rate)

• Noise analysis function for inverters (using FFT analysis technology)

• Inverter power measurement with the convenience of clamp on sensors

■ Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 6 months)


Measurement line type


Single-phase 2-wire, single-phase 3-wire, three-phase 3-wire, three-phase 4-wire, Voltage 4 channels, Current 4 channels, Isolated between each channel


Measurement items


Voltage, Current, Voltage/current waveform peak, Active power, Reactive power, Apparent power, Power factor, Phase angle, Frequency, Current integration, Power integration, Efficiency, Loss, Voltage/current ripple factor
Noise measurement (FFT processing): RMS spectrum of voltage/current
Harmonic measurement: RMS value, Content factor, Phase angle, Total distortion, Disequilibrium factor
Additional functions (With optional 9791 or 9793 installed in the main unit) : Torque, Rotation, Frequency, Slip, or Motor output


Harmonic measurement


Input: 4 ch, Synchronization frequency range: 0.5 Hz to 5 kHz,
Number of harmonic orders: Max. 100th order


Noise measurement


Number of channels: 1 ch (select one channel from CH1 to CH4),
Maximum analysis frequency: 100 k/ 50 k/ 20 k/ 10 k/ 5 k/ 2 kHz


Measurement range


Voltage range: 15 to 1500 V, 7 ranges
Current range: 400 mA to 500 A (depends on current sensor, 20A/ 50A/ 200A/ or 500A rated)
Power range: 6.0000 W to 2.2500 MW (depends on combination of voltage and current range)
Frequency range: 0.5 Hz to 5 kHz


Basic accuracy (45Hz to 66Hz)


Voltage: ±0.05 % rdg. ±0.05 % f.s.
Current: ±0.05 % rdg. ±0.05 % f.s. (Defined at combined accuracy with dedicated sensors)
Active power: ±0.05 % rdg. ±0.05 % f.s. (Defined at combined accuracy with dedicated sensors)
Note: Accuracy for the high accuracy Models 3390-10 and Current Sensors are not defined individually. Please use these products in combination to obtain ±0.1% accuracy.


Synchronization frequency range


0.5 Hz to 5 kHz


Frequency band


DC, 0.5 Hz to 150 kHz


Data update rate


50 ms (For harmonic measurement, depends on the synchronization frequency when less than 45 Hz)


Display refresh rate


200 ms (Independent of internal data update rate; waveform and FFT depend on the screen)


Data save interval


OFF, 50 msec to 500 msec, 1 sec to 30 sec, 1 minute to 60 minutes, 15 settings


External interfaces


LAN, USB (communication/ memory), RS-232C, CF card, Synchronization control


Power supply


100 to 240 V AC, 50/60 Hz, 140 VA max.


Dimensions and mass


340 mm (13.39 in) W × 170 mm (6.69 in) H × 157 mm (6.18 in) D, 4.8 kg (169.3 oz)




Instruction Manual for Model 3390-10 × 1, Instruction Manual for Model 3390 × 1, Power cord × 1, Measurement Guide × 1, USB cable × 1, Measurement cable label sheet × 2, D-sub connector × 1 (when 9792 or 9793 is installed)

■ Specifications for the Motor Testing Option (Accuracy guaranteed for 6 months, Post-adjustment accuracy guaranteed for 6 months)


Number of input channels


3 channels, CH A: Torque signal input (DC V / Frequency input), CH B: Rotation signal input (DC V / Pulse input), CH Z: Z-phase signal input (Pulse input)


Measurement item


Voltage, Torque, Rotation, Frequency, Slip, Motor power




Measurement range: ±1 V/ ±5 V/ ±10 V, Accuracy: ±0.1 % rdg. ±0.1 % f.s.


Frequency (CH A)


Effective amplitude range: ±5 V peak, Measurement band: 1 kHz to 100 kHz


Pulse (CH B)


Detection level: (Low) 0.5 V or less, (High) 2.0 V or more, Measurement band: 1 Hz to 200 kHz


Pulse (CH Z)


Detection level: (Low) 0.5 V or less, (High) 2.0 V or more, Measurement band: 0.1 Hz to 1 kHz

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