Performance Tests and Calibration 4
34405A User’s and Service Guide 99
5 Apply the input signal shown in the "Input" column of the
table.
6 Enter the actual applied input (see “Entering Adjustment
Values” on page 91).
7 Press to start the adjustment. The CAL
annunciator flashes to indicate the calibration is in
progress.
• Successful completion of each adjustment value is
indicated by a short beep and the primary display
briefly showing PASS.
• An adjustment failure is indicated by a long beep, the
primary display showing FAiL and a calibration error
number appearing in the secondary display. Check the
input value, range, function, and entered adjustment
value to correct the problem and repeat the adjustment
step.
8 Repeat steps 3 through 7 for each gain adjustment point
shown in the table.
9 Verify the DC Current Gain adjustments using the “DC
Current Gain Verification Test” on page 79.
NOTE
Always complete tests in the same order as shown in the appropriate
table.
Disp
Ta ble 1 6 DC Current Gain Adjustment
Input Function Cal Item
Remove test leads from Input terminals DC Current Open
10 mA 10 mA
100 mA 100 mA
1000 mA 1000 mA
34405A users guide.book Page 99 Saturday, September 2, 2006 3:38 PM
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