Technical data

Performance Tests and Calibration 4
34405A User’s and Service Guide 95
AC 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 AC Current Gain Calibration.
2 The primary display will show the calibration value and the secondary
display will show the reference value of the 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 and Frequency columns of
the table below.
Table 17 AC Voltage Gain Adjustment
Input
Vrms Frequency Function
Frequency as 1kHz
Cal Item
10 mV 1kHz AC Voltage 10 mV
100 mV 1kHz 100 mV
1 V 1kHZ 1 V
10V 1kHz 10 V
100 V 1kHz 100 V
750 V 1kHz 750 V
Caution: Set the calibrator output to 0V before disconnecting from the multimeter input
terminals.
ACI
NOTE
Always complete tests in the same order as shown in the appropriate table.