Agilent Technologies 3458A Calibration Manual page 25

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standard).

Note

Voltage standards from 1V DC to 12V DC can be used for this procedure.

However, using a voltage standard <10V DC will degrade the multimeter's

accuracy specifications.

Select the DC Voltage function.

Set the front panel Terminals switch to Front.

Connect the voltage standard to the multimeter's front panel HI and

LO Input terminals as shown in Figure 2. If using a Guard wire (as

shown in Figure 2). set the Guard switch to the Open position. If not

using a Guard wire, set the Guard switch to the To LO position.

Execute the CAL command specifying the exact output voltage of the

standard. For example, if the standard's voltage is 10.0001 VDC,

execute CAL 10.0001. The multimeter automatically performs the DC

gain adjustment and the display shows each of the various steps being

performed. This adjustment takes about 2 minutes. When the

adjustment is complete, the multimeter returns to displaying DC

voltage measurements.

Disconnect the voltage standard from the multimeter.

Figure 2. DC Gain Adjustment Connections

Chapter 3 Adjustment Procedures

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