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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.

Key Features

• ±0.04% basic power accuracy, among the best in its class

• 200 kHz measurement band with flat amplitude and phase accuracy that extend to high frequencies

• Remarkably small and light footprint, enabling high-accuracy measurement to be easily carried out even in the field

• High-accuracy, high-speed calculation of transient-state power in 50 ms; harmonic analysis; display of instantaneous waveforms; noise analysis; and simultaneous parallel calculation of all parameters, including efficiency loss

• Send measured values to HIOKI data loggers using a Bluetooth® wireless technology compatible adapter (LR8410 Link-compatible products)

• Simultaneous measurement of multiple circuits and ability to acquire synchronized data using up to 8 devices (for 32 channels)

• Simple power measurement using clamp-on current sensors

• Measurement of current and power inputs and outputs as part of the new WLTP fuel efficiency international standard

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
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: 100 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 (communication/ memory), RS-232C, 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)

Download Datasheet

Additional information