RRDE-3A
RRDE-3A
Rotating Ring Disk Electrode
This system has been designed for hydrodynamic (RDE or RRDE) measurements with a high level of accuracy for the control of electrode rotation and modulation.
The RRDE-3A is a system that can be used to perform hydrodynamic (RDE or RRDE) measurements. Its design (short stainless steel shaft) allows users to accurately control electrode rotation. The RRDE-3A is electronically controlled by a closed loop circuit driving a DC servo-motor. Electrodes are small and rapidly interchangeable. The unit also provides an adjustable valve system for inert gas purging inside the cell vial. Additionally, access to the glass cell facilitates rinsing, cleaning, and replacing the electrodes. It is also easy to remove and replace the cell vial. RRDE-3A can be operated as a stand-alone unit or directly controlled by a Bio-Logic electrochemical workstation.
Specifications and ordering information
RRDE-3A
| Rotational range | 100 – 8,000 rpm |
| Setting resolution | 1 rpm |
| Accuracy | < 0.1% |
| Rotation control type | PWM (Pulse Width Modulation) |
| 60 Hz at 3,500 rpm | |
| Bandwidth | Base and 1,000 rpm |
| Peak-to-peak modulation | |
| Inlet gas pressure | 5 PSI |
| Temperature | 10-50 °C |
| Power | 100-240 VAC, 50/60 Hz |
| Dimensions / mm | 400x185x(base: 230, body: 120) (HxWxD) |
| Weight | 6 kg |
| Rotating Ring Disk Electrode | Catalog n° |
| RRDE-3A apparatus V 2.0 | A-013580 |
| Content | |
| RRDE-3A glass cell vial 100 mL | A-012632 |
| Spin coating adapter | A-012064 |
| Nipple for purge valve | A-012065 |
| Tygon tubing, OD 6.4 mm x ID 3.2 mm (1.3 m) | A-010058 |
| PTFE cap for RRDE-3A | A-012631 |
| Instruction manual | – |
| Power cable | – |
| Options | Catalog No |
| Sample vials for alkaline solution (100mL) (10 pcs) | A-013580 |
| Sample vials for alkaline solution (200mL) (8 pcs) | A-013581 |
| Water-jacketed glass cell
(100 mL, OD 70 mm, ID 46.4 mm, H 80 mm) |
A-012652 |
| DB9 cable to control RRDE-3A | 092-22/11 |
| Bipotentiostat cable for two standard channels | 092-22/12 |
| Corrosion resistant bearing assembly | A-013605 |
Working Electrodes
| Standard tips | Tips length/mm | Tips OD/mm | Ring ID/mm | Ring OD/mm | Disk Ø/mm | Catalog n° | |
| RRDE | Platinum ring/platinum disk | 25 | 12 | 5 | 7 | 4 | A-011172 |
| Platinum ring/glassy carbon disk | 25 | 12 | 5 | 7 | 4 | A-011162 | |
| Gold ring/glassy carbon disk | 25 | 12 | 5 | 7 | 4 | A-011163 | |
| Platinum ring/gold disk | 25 | 12 | 5 | 7 | 4 | A-011164 | |
| Gold ring/platinum disk | 25 | 12 | 5 | 7 | 4 | A-012617 | |
| Glassy carbon ring/glassy carbon disk | 25 | 12 | 5 | 7 | 4 | A-012618 | |
| RDE | Glassy carbon disk | 25 | 12 | – | – | 3 | A-011169 |
| Glassy carbon disk | 25 | 12 | – | – | 5 | A-013482 | |
| Glassy carbon disk with PTFE spacer | 25 | 12 | – | – | 3 | A-013490 | |
| Glassy carbon disk with PTFE spacer | 25 | 12 | – | – | 5 | A-013491 | |
| Platinum disk | 25 | 12 | – | – | 3 | A-011170 | |
| Gold disk | 25 | 12 | – | – | 3 | A-011171 | |
| Aluminum disk | 25 | 12 | – | – | 3 | A-011966 | |
| Silver disk | 25 | 12 | – | – | 3 | A-011967 | |
| Copper disk | 25 | 12 | – | – | 3 | A-011968 | |
| Nickel disk | 25 | 12 | – | – | 3 | A-011969 | |
| Tantalum disk | 25 | 12 | – | – | 3 | A-011970 | |
| Titanium disk | 25 | 12 | – | – | 3 | A-011971 | |
| Tungsten disk | 25 | 12 | – | – | 3 | A-011972 | |
| Carbon paste disk, hole depth 4 mm | 25 | 12 | – | – | 3 | A-011973 |
| Option | Catalog No |
| PK-3 polishing kit | A-011975 |
| Disk Replaceable Electrode tips | Catalog n° | ||
| RRDE | Platinum ring/GC disk replaceable electrode kit | A-013336 | |
| Content | Platinum ring assembly | A-013337 | |
| Glassy carbon disk | A-013338 | ||
| PTFE spacer (3 pieces) | A-013339 | ||
| RDE | Glassy carbon disk replaceable electrode kit | A-013362 | |
| Content | Glassy carbon disk | A-013338 | |
| PTFE spacer (3 pieces) | A-013339 | ||
| Disk assembly | A-013361 | ||
| Gold disk replaceable electrode kit | A-013364 | ||
| Content | Gold disk | A-013366 | |
| PTFE spacer (3 pieces) | A-013339 | ||
| Disk assembly | A-013361 | ||
| Platinum disk replaceable electrode kit | A-013365 | ||
| Content | Platinum disk | A-013367 | |
| PTFE spacer (3 pieces) | A-013339 | ||
| Disk assembly | A-013361 | ||
| Tool kit | |||
| Disk electrode polishing and exchanging tool kit | A-013340 | ||