Technical data

Performance Tests and Calibration 1
Adjustments
34450A Service Guide 33
AC voltage gain adjustment procedure
Review the “Test Considerations” on page 5 and “Gain adjustment
considerations” on page 29 on page sections before performing this
procedure.
DC offset calibration and AC voltage flatness calibration has to be done
prior to performing the AC voltage gain adjustments procedure.
Calibration mode: AC voltage
1 Press or to select the calibration range.
2 The Calibration Point box displays the first reference value (SHORT).
3 Configure each calibration point as shown in the adjustment
Table 1- 13 on page 34.
4 Press to start the adjustment. The Status box displays
CALIBRATING indicates the calibration is in progress.
• Successful completion of each adjustment value is indicated by a
message in the Status box showing PASS.
2 mA, 7 mA, 10 mA, –2 mA, –7 mA, –10 mA 10 mA
20 mA, 70 mA, 100 mA, –20 mA, –70 mA, –100 mA 100 mA
Caution: Connect calibrator to multimeter’s 10 A and LO terminals before applying 1 A and 10 A range
0.2 A, 0.7 A, 1 A, –0.2 A, –0.7 A, –1 A 1 A
2 A, 7 A, 10 A, –2 A, –7 A, –10 A 10 A
[1] Cal Item OPEN only calibrated once during DC current gain adjustment procedure. You need to re-calibrate once you exit
calibration mode.
NOTE
Before initiating any gain adjustment procedures, perform the zero adjustment at
any range first.
Table 1-12 DC current gain adjustment
Input Function Range