Hioki 3390 Power Analyzer

Hioki 3390 Power Analyzer DC, 0.5 Hz - 5 kHz
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The Hioki 3390 is a current sensor-driven power meter featuring high accuracy throughout a broad frequency range in a portable design. The 3390 now accepts direct connection to 50Arms on 3Ch or 4Ch using the PW9100 Current Box.



  • Directly measure the primary and secondary sides of inverters
  • Advanced motor analysis functions
  • DC, 0.5 Hz - 5 kHz (frequency reponse: DC, 0.5 Hz - 150 kHz) measurement range
  • Sample and save waveforms at high speeds of 500 kS/s
  • Powerful yet portable to cover a wide range of applications from bench to on-vehicle measurements
  • Measure inverter noise



Measurement line type Single-phase 2-wire, single-phase 3-wire, three-phase 3-wire, and three-phase 4-wire systems
Measurement item Voltage (U), current (I), voltage/current peak (Upk/Ipk), active power (P), reactive power (Q), apparent power (S), power factor (λ), phase angle (φ), frequency (f), current integration (Ih), power integration (WP), efficiency (η), loss (Loss), voltage/current ripple factor (Ufr/Ifr)
Noise measurement (FFT processing): RMS spectrum 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: 4ch
Synchronization frequency range: 0.5 Hz - 5 kHz
Number of harmonic order: Max. 100th order
Noise measurement Number of channels: 1 ch (select one channel from CH1 to CH4)
Maximum analysis frequency: 100k/ 50k/ 20k/ 10k/ 5k/ 2kHz
Measurement range Voltage range: 15/ 30/ 60/ 150/ 300/ 600/ 1500V
Current range: when using 20A rated sensor... *400m/ *800m/ 2/ 4/ 8/ 20A (* when used with Model 9277)
When using 200 A rated sensor: 4/ 8/ 20/ 40/ 80/ 200A
When using 50 A rated sensor: 1/ 2/ 5/ 10/ 20/ 50A
When using 500 A rated sensor: 10/ 20/ 50/ 100/ 200/ 500A
Power range (Depends on combination of voltage and current range): 6.0000W to 2.2500MW
Frequency range 0.5 Hz to 5 kHz
Basic accuracy Voltage: ±0.05% rdg. ±0.05% f.s.
Current: ±0.05% rdg. ±0.05% f.s. + current sensor accuracy
Active power: ±0.05% rdg. ±0.05% f.s. + current sensor 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, 50m/ 100m/ 200m/ 500msec, 1/ 5/ 10/ 15/ 30sec, 1/ 5/ 10/ 15/ 30/ 60 minutes
External interfaces LAN, USB (communication/ memory), RS-232C, CF card, Synchronization control
Power requirements 100 to 240V AC, 50/60Hz, 140VA max.
Dimensions, mass 340mm (13.39in) W × 170mm (6.69in) H × 157mm (6.18in) D, 4.8kg (169.3oz)