108 34405A User’s and Service Guide
4 Performance Tests and Calibration
• An adjustment failure is indicated by a long beep, the
primary display showing FAiL and a calibration error
number appearing in the secondary display. Check the
input value, range, function, and entered adjustment
value to correct the problem and repeat the adjustment
step.
8 Repeat steps 3 through 7 for each gain adjustment point
shown in the table.
9 Verify the Capacitance Gain adjustments using the
“Optional Capacitance Performance Verification Test” on
page 86.
Finishing the Adjustments
1 Remove all shorting plugs and connections from the
instrument.
2 Reset the Calibration Message (see below).
Ta ble 2 1 Capacitance Gain Adjustment
Input Function Cal Item
Input terminals open (remove any test leads or
shorting plugs from the input terminals)
Capacitance Open
0.4 nF 0.4 nF
1 nF 1 nF
10 nF 10 nF
100 nF 100 nF
1
μF1 μF
10
μF10 μF
100
μF100 μF
1000
μF 1000 μF
10000
μF 10000 μF
34405A users guide.book Page 108 Saturday, September 2, 2006 3:38 PM
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