AC/DC Power Meter for Testing Inrush and Energy Consumption
Exclusive Academic Offer Now Available

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 3334 is an AC/DC power meter that measures inrush current and power consumption, ideal for DC and current and power integration applications to meet energy efficiency standards.

Model No. (Order Code)

3334-01 with GP-IB


Key Features

•Compatible with the SPECpower® benchmarking for server’s power consumption ® SPECpower is a registered trademark of Standard Performance Evaluation Corporation •DC measurement mode, AC, and AC+DC measurement •Integration function for current and power •±0.2% high basic accuracy •Extended period of guaranteed accuracy of 3 years •Complete accuracy over a wide input range

■ Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year) *3-year accuracy defined separately

Measurement linesSingle-phase/ two-wires
Measurement itemsVoltage, Current, Active power, Apparent power, Power factor, Frequency, Integration (current, active power), Waveform peak (voltage and current)
Measurement ranges[Voltage] AC/DC 15.000/ 30.00/ 150.00/ 300.0 V
[Current] AC/DC 100.00/ 300.0 mA, 1.0000/ 3.000/ 10.000/ 30.00 A
[Power] 1.5000 W to 9.000 kW (combination of voltage and current ranges)
Integration measurement Integration time up to 10,000 hours[Current] No. of displayed digits: 6 digits (from 0.00000 mAh, Polarity-independent integration and Sum value)
[Active power] No. of displayed digits: 6 digits (from 0.00000 mWh, Polarity-independent integration and Sum value)
Input resistance (50/60 Hz)[Voltage] 2.4 MΩ, [Current] 10 mΩ or less (direct input)
Basic accuracy±0.1% rdg. ±0.2% f.s. (DC), ±0.1% rdg. ±0.1% f.s. (45 Hz to 66 Hz)
Note: Provided accuracy of 1 Year, typical value
Display refresh rate5 times/s
Frequency characteristicsDC, 45 Hz to 5 kHz
Waveform outputParameter output representation: voltage, current and power (3 simultaneous channels), Output voltage: 1 V DC f.s.
Analog output (D/A output)Parameter output representation: voltage, current active power and selected 1 item (4 simultaneous channels), Selected 1 item from apparent power, power factor, current integration, active power integration, Output voltage: ±2 V DC f.s.
FunctionsRectification method switchable between AC+DC (True RMS), DC (simple average), AC (True RMS), Wave peak measurement, VT or CT ratio settings, Average function
InterfacesRS-232C included as standard, GP-IB (Model 3334-01 only)
Power supply100 V to 240 V AC, 50/60 Hz, 20 VA max.
Dimensions and mass210 mm (8.27 in) W × 100 mm (3.94 in) H × 245 mm (9.65 in) D, 2.5 kg (88.2oz)
AccessoriesInstruction manual ×1, Power cord ×1

Hioki offers members manuals and other technical documentation.
The documents are available for download on your myHIOKI page.


AC/DC POWER HiTESTER 3334, POWER HiTESTER 3333 Download PDF  [3MB] English

User Guides

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Instruction Manual English
Instruction Manual Simplified Chinese  Ver.04

Outline Drawings


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Technical Notes

Drivers, Firmware

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Exclusive Academic Offer Download PDF  [1MB] English


PC communications


2 m (6.56 ft) length

RS-232C CABLE 9637

For the PC, 9 pin - 9 pin, cross, 1.8 m (5.91 ft) length

RS-232C CABLE 9638

For the PC, 9 pins - 25 pins, cross, 1.8m (5.91 ft) length


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