Calibration Adjustment Procedure 91
10.2 Current Calibration Adjustment
For the current calibration procedure a precise DMM will be needed.
To adjust the current calibration:
1. Enter the Calibration Menu
• Press the button, then use the soft key to select Utilities > Test/Admin > Security.
Use the numeric keypad to enter security code. See the subsection Security. Press the
button to enter the security menu.
2. Use the softkeys to select Current > CH {1 |2 |3}.
3. Verify the correct channel is chosen.
• The upper left corner will display the chosen channel. Current Calibration will have a frame with
the color corresponding to the chosen channel.
– Yellow = CH 1
– Blue = CH 2
– Orange = CH 3
4. Connect the DMM current input to the power supply’s binding post corresponding to the selected
channel.
Note:
Upon entering a calibration point the unit will immediately output the next current point.
To avoid blowing the DMM’s fuse ensure the correct DMM’s input is chosen.
The points’ output are as follows:
9140
1st Point 0.4 A
2nd Point 2.8 A
3rd Point 5.5 A
4th Point 8.0 A
9141
1st Point 0.2 A
2nd Point 1.4 A
3rd Point 2.7 A
4th Point 4.0 A
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