RRDE-3A Rotating Ring Disk Electrode Apparatus
RRDE-3A is electronically controlled by a proportional-integral closing loop circuit driving as an 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.
RRDE-3A is able to be operated as a stand-alone unit and directly controlled by CHI, BASi Electrochemical Analyzers or other instruments. When the analysis starts, a built-in gas control allows purging the sample.
Besides, the access to glass cell is easy for rinsing, cleaning, and replacing the electrodes. It is easy to remove and replace the cell vial.
Features and Specifications
- Operable as RDE and RRDE
- Remote- and manual-controlled rotation and gas purge
- Gas line connector is available
- Cell lead connects to all potentiostats
- Open architecture for easy access to cell
- Compact design & easy operation
- Shaft is completely insulated to the motor by coupling unit to reduce motor noise
- In the shaft assembly, the inner and outler tube is completely insulated by Teflon spacer to reduce noise
Size: | 190 (w) x 230 (d) x 400 mm (h) |
Weight: | 6 kg |
Rotational range: | 100 to 8,000 rpm |
Rotation stability: | Error, < 1% at < 100 to 1,000 rpm < 0.5% at > 1,001 rpm |
Ring/Disk insulation resistance: | > 10 M ohm |
Electrode to lead pin contact resistance: | 5 ohm |
Rotator shaft: | Stainless steel |
Motor: | 12 V, ironless core, low inertial DC servo |
Power: | < 100 VA 100-240 VAC, 50/60 Hz |
Operating temperature: | 10 to 50°C |
Operating temperature: | 10 to 50°C |
Relative humidity: | ≤ 80% |
Remote control: | One volt corresponds to 1,000 rpm Motor ON/OFF TTL or relay input to back panel connection Purge TTL or relay input to back panel connection |
Accessories
Option | |
For RRDE electrode Click here for detail |
Platinum ring disk working electrode |
Platinum ring-glassy carbon disk working electrode | |
For RDE electrode Click here for detail |
Glassy carbon disk electrode |
Platinum working disk electrode | |
Gold working disk electrode | |
For DRE electrode Click here for detail |
DRE-PGK Pt ring/GC disk replaceable electrode |
DRE-GCK disk replaceable electrode | |
Electrodes of other materials and diameters will be fabricated on a custom basis. |