Bipotentiostat module
PalmSens can be expanded with the bipotentiostat module. This module is applied when the sensor or electrochemical cell has two working electrodes.
The methods amperometric detection, linear sweep and cyclic voltammetry can be applied in order to measure the current of WE1 and WE2 simultaneously. The potential of WE2 is kept at a constant value throughout the measurement.
Specifications
| - dc-potential range | ± 2 V |
| - dc-potential resolution | 1 mV |
| - potential accuray | <= 0.4 % offset and 0.2 % |
| - current ranges | 1 nA to 10 mA (8 ranges) |
| - maximum current | ± 10 mA |
| - current resolution | 0.1 % of current range |
| - current accuracy | <= 0.3 % offset and 0.2 % at 100 nA to 1 mA |