Keysight E1412A 6 1/2 Digit Multimeter Service Guide
55
Adjustment Procedures
Adjustments
DC Current Gain Adjustment
NOTE: The zero adjustment procedure MUST have been recently performed prior
to beginning any gain adjustment procedure. Zero adjustment should be
performed one time followed by the other gain adjustments.
This procedure sets the DC current gain calibration constants for each range. The
adjustments should be made in the order given.
1
Connect the DC Standard current output across the I and LO terminals of the
Keysight E1412A as shown in Figure 5-6.
2
Set up the Keysight E1412A as follows:
–
Reset the multimeter ........................................... *RST
–
Set the function ............................... CONF:CURR:DC
3
Set the DC Standard output to 10 mA for the first DCI adjustment.
4
Prepare the Keysight E1412A for calibration:
–
Set the DCI range ................................ CURR:RANGE 10E-3
–
Enable cal ................. CAL:SEC:STAT OFF, <security code>
–
Send input value .......................... CAL:VAL <input current> (see the
following DC Current Function Adjustment Points table for <input current>
values)
5
Check to see if the last command has been completed using the *OPC?
command. Read the result; a 1 indicates that the operation has been
completed.
6
Perform the adjustment by sending the CAL? command and reading the
result.
–
A zero indicates that the adjustment was accepted.
–
A non-zero result indicates that an error has occurred. Send the
SYST:ERR? command and read the result. See Chapter 5 of the
Keysight
E1412A User’s Manual and SCPI Programmer’s Guide
for details.
Each range in the gain adjustment procedure takes less than 20
seconds to complete.
Summary of Contents for E1412A
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Page 74: ...68 Keysight E1412A 6 1 2 Digit Multimeter Service Guide Adjustments CALibration ...
Page 80: ...74 E1412A 6 1 2 Digit Multimeter Service Guide Backdating ...
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