96 34405A User’s and Service Guide
4 Performance Tests and Calibration
DC Voltage Gain Adjustment Procedure
Review the “Test Considerations” on page 71 and “Gain
Adjustment Considerations” on page 95 sections before
beginning this procedure.
1 Press to enter DC Voltage Gain Calibration.
2 The primary display will show the uncalibrated 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.
Ta ble 1 4 Valid Gain Adjustment Input Values
Function Range Valid Amplitude Input Values
DC Volts 100 mV, 1 V, 10 V, 100 V, 1000 V 0.9 to 1.1 x Full Scale
DC Current 10 mA, 100 mA, 1000 mA, 10 A 0.9 to 1.1 x Full Scale
Ohms 100 Ω, 1 kΩ, 10 kΩ, 100 kΩ, 1MΩ, 10 M Ω 0.9 to 1.1 x Full Scale
Frequency Autorange/1 kHz Input
≥ 100 mV rms, 900 Hz to 1100 Hz
AC Current 1 mA, 10 mA, 100 mA, 1000 mA, 10 A 0.9 to 1.1 x Full Scale
AC Volts 10 mV, 100 mV, 1 V, 10 V, 100 V, 750 V 0.9 to 1.1 x Full Scale
Capacitance 0.4 nF, 1 nF, 10 nF, 100 nF, 1 µF, 10 µF,
100 µF, 1000 µF, 10000 µF
0.9 to 1.1 x Full Scale
DCV
NOTE
If the zero adjustment procedure has been recently performed prior to the
DC Voltage gain calibration procedure, the Cal Item 'Short' can be
neglected.
34405A users guide.book Page 96 Saturday, September 2, 2006 3:38 PM
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