Hioki Power Analyzer and Power Meter Repair

Status: Current Production (PW Series) — 3332/3333 Discontinued

Overview

Hioki power analyzers and power meters provide precision electrical power measurement for efficiency testing, motor drive analysis, and energy compliance. The PW8001 is Hioki’s flagship — the world’s only power analyzer with 18-bit resolution and DC to 5 MHz bandwidth for accurate measurement of inverter-driven systems with high-frequency switching. The PW6001 delivers DC to 2 MHz bandwidth with up to 12 input channels. The PW3390 provides 4-channel power analysis with harmonic measurement to the 100th order. The PW3334–PW3337 power meters offer 1 to 4 channel configurations for production-line power measurement and efficiency testing. The legacy 3332 and 3333 power meters remain widely deployed.

Specifications

Parameter	Value
Bandwidth	DC to 5 MHz (PW8001), DC to 2 MHz (PW6001)
Resolution	18-bit (PW8001), 16-bit (PW6001)
Channels	Up to 12 input (PW6001), 4 input (PW3390)
Basic Accuracy	±0.02% (PW8001), ±0.04% (PW6001)
Harmonics	Up to 100th order (PW3390)
Key Features	Motor analysis, efficiency calculation, harmonic analysis, current sensor input, data logging, USB/GPIB/LAN

Models We Repair

Select your model below to request a repair. If your exact configuration isn’t listed, choose the closest match — the evaluation and repair process is the same across all Hioki Power Analyzer / Power Meter instruments.

Model	Description	Service
Hioki PW8001	18-bit precision power analyzer, DC–5 MHz	Request Repair
Hioki PW6001	Precision power analyzer, DC–2 MHz, up to 12 ch	Request Repair
Hioki PW3390	4-channel power analyzer with harmonics	Request Repair
Hioki PW3337	4-channel power meter	Request Repair
Hioki PW3336	3-channel power meter	Request Repair
Hioki PW3335	2-channel power meter	Request Repair
Hioki PW3334	1-channel power meter	Request Repair
Hioki 3332	Power quality analyzer (legacy)	Request Repair
Hioki 3333	AC power meter (legacy)	Request Repair

Common Hioki Power Analyzer / Power Meter Failures We Repair

Input channel module damage from overvoltage or overcurrent
Current sensor interface circuit failures
ADC module calibration drift
Display or touchscreen failures
Internal power supply degradation
Communication interface failures
Voltage divider or shunt resistor drift
Fan or cooling system failures on multi-channel units

Our technicians perform component-level diagnostics on every Hioki Power Analyzer / Power Meter unit. We identify and repair the specific failed components rather than replacing entire assemblies when possible, reducing your repair cost and turnaround time.

Calibration

Every Hioki Power Analyzer / Power Meter repair includes NIST-traceable calibration. We verify all critical measurement parameters against our reference standards and provide a detailed calibration certificate documenting measured performance against the manufacturer’s published specifications.

Who Uses Hioki Test Equipment?

The Hioki PW8001 / PW6001 / PW3390 Power Analyzers and PW3334 / PW3335 / PW3336 / PW3337 / 3332 / 3333 Power Meters are used by electric vehicle and motor drive development, power electronics R&D, inverter and converter manufacturing, energy efficiency compliance, appliance testing, and industrial power systems.

Our Repair Process

Ship Your Instrument: Send your Hioki instrument to our facility from anywhere in the US. We provide prepaid shipping labels on request.
Free Evaluation: Our technicians perform a complete diagnostic assessment and provide a firm, no-obligation repair quote.
Expert Repair: Upon approval, we perform component-level repair using OEM-grade parts.
NIST-Traceable Calibration: Full calibration with documented results across all critical parameters.
Return Shipment: Your instrument is securely packaged and returned with calibration certificate, repair documentation, and our 90-day warranty.