Technical data

92 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 73.
DC Current Gain Adjustment Procedure
Review the “Test Considerations” on page 67 and “Gain Adjustment
Considerations” on page 90 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.
5 Apply the input signal shown in the "Input" column of the table.
Table 15 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.