Section 7: Chronopotentiometry
Models 2450-EC, 2460-EC, and 2461-EC Potentiostats And Galvanostats User's Manual
7-2
077110402/November 2016
Test application parameters
You must enter test parameters that are consistent with the following values. Otherwise, you may
receive unsettled and inaccurate measurements.
The Chronopotentiometry test application parameters are listed below:
Model 2450-EC
•
Step current: -
1.05 A ≤ Istep ≤ +1.05 A
•
Potential measure ranges: 20 mV, 200 mV, 2 V, 20 V
•
Source limit (compliance): 100 % of selected potential range
•
Number of steps: 1 to 10
•
Step duration: 10 ms ≤ step duration ≤ 99,999 s
•
Sample interval: 10 ms ≤ sample interval ≤ 100 s
•
Sample time:
•
Minimum is 166.667 µs
•
Maximum is lesser of 166.667ms and (sample interval - 5 ms) and (step duration - 5 ms)
•
Maximum number of samples: 100,000 total for all steps
Models 2460-EC and 2461-EC
•
Step current: -
7.35 A ≤ Istep ≤ +7.35 A
•
Potential measure ranges: 200 mV, 2 V, 7 V, 10 V, 20 V
•
Source limit (compliance): 100 % of selected potential range
•
Number of steps: 1 to 10
•
Step duration: 10 ms ≤ step duration ≤ 99,999 s
•
Sample interval: 10 ms ≤ sample interval ≤ 100 s
•
Sample time:
•
Minimum is 166.667 µs
•
Maximum is lesser of 166.667 ms and (sample interval - 5 ms) and (step duration - 5 ms)
•
Maximum number of samples: 100,000 total for all steps
Run the Chronopotentiometry test application
To run the test application:
1. Press the
HOME
key.
2. Select the active script indicator at the top of your home screen. If there is no script activity, the
indicator displays "No Script."
Figure 124: Active script indicator
