98 34405A User’s and Service Guide
4 Performance Tests and Calibration
9 Verify the DC Voltage Gain adjustments using the “DC
Voltage Gain Verif ication Test” on page 78.I
DC Current Gain Adjustment Procedure
Review the “Test Considerations” on page 71 and “Gain
Adjustment Considerations” on page 95 sections before
beginning this procedure.
1 Press to enter DC Current Gain Calibration.
2 The primary display will show the uncalibrated value and
the secondary display will show the reference value of Cal
Item.
3 Configure each Cal Item shown in the adjustment table
below.
4 Use (Auto) or (Range) to select the Cal
Item.
Ta ble 1 5 DC Voltage Gain Adjustment
Input Function Cal Item
Dual Banana Plug with copper wire short between 2 terminals DC Voltage Short
100 mV 100 mV
+ 1 V + 1 V
- 1 V - 1 V
10 V 10 V
100 V 100 V
1000 V 1000 V
Caution: Set the calibrator output to 0V before disconnecting from the multimeter input terminals.
DCI
NOTE
If the zero adjustment procedure has been recently performed prior to the
DC Current gain calibration procedure, the Cal Item 'Open' can be
neglected.
34405A users guide.book Page 98 Saturday, September 2, 2006 3:38 PM
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