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PSI System Controls and Diagnostics
F3200E User Manual
F3200E_UM_180726 Page 52 of 107
100 µA
83.33 µA
10 µA
8.333 µA
The calibration factors for each channel are displayed in a separate tab for each current range.
The gain values are relative to the gains if all relevant electronic components have exactly their
nominal value. The offset values are the number of bits that will be added to measured binary
values to compensate the electronic offsets.
Clicking the Calibrate button
will open a warning dialog that the existing calibration is
about to be overwritten. If you proceed, new calibrations will be done for the range and stored in
non-volatile memory. For maximum accuracy you should only run the calibration process when
the F3200E has come to operating temperature, and with nothing connected to the inputs.
Figure 37. Calibration warning dialog
The calibration routine takes about 30 seconds to complete, then the new values are displayed.
You can save the values to a csv file for your records
.
11.9.2 Using the calibration sources to test individual channels
You can also turn on a current source chosen from the source current options at any time and
direct the current to any of the 32 channels, for fault-finding purposes.