92
34405A User’s and Service Guide
4
Performance Tests and Calibration
9
Verify the DC Voltage Gain adjustments using the
“DC Voltage Gain
Verification 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
N O T E
If the zero adjustment procedure has been recently performed prior to the DC Current gain
calibration procedure, the
Cal Item
'Open' can be neglected.
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