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RRDE-3A movies

Here are some movies to guide you with your RRDE-3A and DRE.
A guidance for the setup of your RRDE-3A, also a quickly instructions for the maintenance of your system.
In addition, a useful instruction for the handling of your Disk Removable Electrode (DRE).

Movie contents

  • RRDE-3A easy setup
  • RRDE-3A disassembling/assembling for maintenance
  • RRDE-3A motor rotation issue
  • DRE electrode assembly methods Part1:Front Assembly
  • DRE electrode assembly methods Part2:Rear Assembly


  • Setup
  • Maintenance
  • Rotation issue
  • DRE-1
  • DRE-2
  • Spin coating

RRDE-3A easy setup

Follow this movie to setup your RRDE-3A in 5 minutes.
This movie will show you the content of the system, and the setting of the gas purging and rotation, in a manual mode. For the remote mode, please follow the instruction for the manual.

download.Download the RRDE-3A setup movie

RRDE-3A disassembling/assembling for maintenance

This movie will show you how to disassemble your RRDE-3A for maintenance.
By disassembling the RRDE-3A, you can Replace carbon brushes, shaft, and bearing.

download.Download RRDE-3A Maintenance movie

RRDE-3A motor rotation issue

This movie will show you how to fix a rotation issue.
If the coupling has entred inside the aluminium frame, it may block the rotation.
If carbon brushes are broken, please change them.
Check the bearing assembly and the shaft. If they are not in good condition (corrosion, twisted...), please change them.

download.Download the RRDE-3A motor issue movie

DRE electrode assembly methods Part1:Front Assembly

The assembly of the DRE is shown step by step in two movies. The part 1 for the front assembly and part 2 for the rear assembly.
Part 1 movie for the front assembly, it makes possible the polish of the electrode after finished the assembly.

download.Download the DRE electrode assembly methods Part1 movie

DRE electrode assembly methods Part2:Rear Assembly

Part 2: Rear assembly, assembling procedure to avoid that the disk electrode surface can be touched.
It is required for the assembly of the surface modified disk electrode.

download.Download the DRE electrode assembly methods Part2 movie

Spin coating

Spin coating using RRDE-3A rotating ring disk electrode device Ver.1.2.

  • For easy confirmation, we drop a large amount of water.

download.Download the Spin coating using RRDE-3A rotating ring disk electrode device Ver.1.2. movie


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