Power Analyzers to Test Inverter Driven Electrical Machines

The HBM eDrive series of Power Analyzers are with unparalleled power computation based on digital cycle detection. Thus, they deliver reliable results also in dynamic load changes, where conventional power meters just fail. With enough sample rate to cover all current inverter technologies, they can be expanded with more channel, higher sample rates, or other inputs to match every need you might run into in the future. 

  • 3 to 51 power channels per mainframe   
  • Simultaneous acquisition of electrical, mechanical and bus data 
  • Real time result transfer to automation system and real time raw data storage 

The eDrive solution from HBM covers the entire measurement chain: high-precision sensors, powerful instruments and  intuitive software. Mechanical signals (e.g. torque) and electrical signals (current and voltage) are acquired simultaneously  and help engineers to better understand the electrical drive and its losses faster and more accurately than ever before.

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  • Accuracy 0.015% reading + 0.02% range
  • High bandwidth >1 MHz 
  • Digital cycle detect for accurate results in static and dynamic tests 
  • Complete chain with “best in class” torque and current transducers 

Highest possible accuracy – for electrical and mechanical


  • Grows from entry level 3 channel to high end 51 channel Power Analyzer
  • Electrical, mechanical, bus inputs 
  • Real time bus outputs 
  • Programmers API for system integration 

Easy to Use – from browser based to system integration


  • Scalable computing power using on board DSPs 
  • Real time power calculation for any channel count 
  • Custom formulas 
  • Real time raw data storage 

Advanced – compute all you need in real time & store raw data 

eDrive Power Analyzers for Demanding R&D Applications and System Integration

eDrive Power Analyzers offer 3, 6 or 9 power channels with a sample rate of 2 MS/s; they can be expanded in channel count, or with mechanical inputs like acceleration or temperature, or with higher sample rate input boards. They use Perception Enterprise / eDrive software offering the usability of a POWER METER combined with the flexibility of a DAQ system. “t” mainframes are used using an external PC, while “I” system feature an integrated WIN10 PC.

Type/Part NumberMainframeSample Rate# of Power Channels
Standard / Maximum
eDrive Analyzer 3ch
2 MS/s3 / 6 Perception Enterprise / ePower,
needs external PC
eDrive Analyzer 6ch
2 MS/s6 / 6 Perception Enterprise / ePower,
needs external PC
eDrive Analyzer 6ch
2 MS/s6 / 12 Perception Enterprise / ePower,
needs external PC
eDrive Analyzer 9ch
2 MS/s9 / 12 Perception Enterprise / ePower,
needs external PC
eDrive Analyzer 6ch 
2 MS/s6 / 9 

Perception Enterprise / ePower,
running on embedded WIN 10 PC
with Touchscreen and SSD

eDrive Analyzer 6ch


2 MS/s6 / 21Perception Enterprise / ePower,
running on embedded WIN 10 PC
with Touchscreen and SSD

Pending from the mainframe type, options include embedded SSD for raw data storage, more power inputs, other inputs for mechanical signals like acceleration or temperatures, CAN input and outputs, EtherCAT real time interface, torque / speed connection box, artificial star adapter, current transducers, high voltage probes, and much more. 
Please order proper input cables for current and voltage when needed. 

Power Analyzer Solution - Live Demo Sessions

  Monthly Live Demo Sessions    

In our monthly live demos, we will guide you through the requirements of electric power testing and power analysis. We will guide you through the hardware and software included in our eDrive power analyzer solution and answer all your questions. See you online!

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Contact Our Expert Mitch Marks

If you have any questions concerning Electric Power Testing, we are here to support you.

Mitch Marks is among HBM's many experts in electric machine and drivetrain testing. He is a Business Developer for electrification at HBK - Hottinger, Brüel & Kjær with a Masters in electrical engineering. If you have any questions regarding our products or applications, please get in touch with Mitch.

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