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 PW3390 is a high-precision, broad-range power analyzer for measuring electrical power from DC to inverter frequencies, providing four input channels to support single- and three-phase inverter motor systems up to 4000 A AC/DC with superior accuracy.

### Basic specifications (Accuracy guaranteed for 6 months, 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 |
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Measurement items | Frequency, RMS voltage, voltage mean value rectification RMS equivalent, voltage AC component, voltage simple average, voltage fundamental wave component, voltage waveform peak +, voltage waveform peak -, voltage total harmonic distortion, voltage ripple factor, voltage unbalance factor, RMS current, current mean value rectification RMS equivalent, current AC component, current simple average, current fundamental wave component, current waveform peak +, current waveform peak -, current total harmonic distortion, current ripple factor, current unbalance factor, active power, apparent power, reactive power, power factor, voltage phase angle current phase angle, power phase angle, positive-direction current magnitude, negative-direction current magnitude, sum of positive- and negative-direction current magnitude, positive-direction power magnitude, negative-direction power magnitude, sum of positive- and negative-direction power magnitude, efficiency, loss Current integration, active power integration |

PW3390-03 only: Torque, Rotation, Frequency, Slip, or Motor power | |

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: 200 k/ 50 k/ 20 k/ 10 k/ 5 k/ 2 kHz |

Motor Analysis (PW3390-03 only) | Input: 3 ch (CH A, CH B, CH Z), Measurement parameters: Voltage, torque, rotation rate, frequency, slip, and motor power |

Measurement range | Voltage range: 15 to 1500 V, 7 ranges Current range: 0.1 A to 20 kA (depends on current sensor) Frequency range: 0.5 Hz to 5 kHz |

Effective measuring power range | 0.0150 W to 39.600 MW (determined automatically by the combination of voltage range, current range, and measurement line) |

Basic accuracy (45 to 66 Hz) | Voltage: ±0.04 % rdg. ±0.05 % f.s. Current: ±0.04 % rdg. ±0.05 % f.s. + current sensor accuracy Active power: ±0.04 % rdg. ±0.05 % f.s. + current sensor accuracy |

Synchronization frequency range | 0.5 Hz to 5 kHz |

Frequency band | DC, 0.5 Hz to 200 kHz |

Data update rate | 50 ms (For harmonic/frequency 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) |

Auto-Save Functions | Each value is stored to CF card during every measurement interval (not available for USB storage), OFF, 50 msec to 500 msec, 1 sec to 30 sec, 1 minute to 60 minutes, 15 settings |

External interfaces | LAN, USB (for communication/ memory), RS-232C (for communication/LR8410 link), CF card, Synchronization control, External Control |

Logger connectivity | Sends measured values wirelessly to logger by using a BluetoothⓇ wireless technology serial conversion adapter. (Supported devices: Hioki LR8410 Link-compatible loggers) |

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 × 156 mm (6.14 in)D, 4.6 kg (162.3 oz) |

Accessories | Instruction Manual ×1, Power cord ×1, Measurement Guide ×1, USB cable ×1, Input cord label ×2, D-sub connector × 1 (PW3390-02, PW3390-03) |