RDP 980 pages

RING - DISC POTENTIOSTAT / GALVANOSTAT

WENKING

The RDP 98 Ring - Disc - Control Potentiostat is a convenient and compact instrument for

rotating ring - disc - electrode applications. A fast, powerful potentiostat, combined with

two independently controlled current sinks allow to control disc currents up to ±1 A, and

ring currents up to ± 500 mA. The compliance voltage (counter electrode voltage)

operates within ± 25 V. Optionally, high voltage power stages are available up to ± 120 V

for operation with low - conductive electrolytes. The disc can be controlled both in

potentiostatic and galvanostatic mode.

Powerful Disc Control up to ± 1 A

Compliance Voltage up to ± 25 V (optionally ± 75 V or ± 120V)

High Resolution Ring Current Amplifier

Potentiostatic / Galvanostatic Disc Control

The fast potentiostatic control amplifier and the two current sinks operate on a common

reference electrode, which is controlled to virtual ground. Two internal control voltage

sources operate from -2 to 2 V for independent control of ring and disc electrode. In

addition, external voltages can be superimposed, ± 5 V at the disc potential and ± 5 V at

the ring electrode. The disc potential can be corrected for IR - drop by positive feed - back

of the disc current. The currents are displayed on two analogue meters, the potentials are

displayed on two precision digital voltmeters. All signal outputs refer to ground. The

currents are converted to ± 2 V per meter full range, well adapted for A/D conversion.

Optionally, a control interface (type PC-R) can be inserted for remote operation of the

switch settings.

Bank Efektronik - Intelligent Controls GmbH

Giessener Strasse 60 D - 35415 Pohlhetm

Phone (+49)-6403-609860 Fax-6098622 E-mail info@bank-ic.de

INTELLIGENT CONTROLS