6½-Digit Multimeter with Scanning Calibration and Adjustment Manual Section 3:
DMM6500-905-01 Rev. E June 2021 3-7
Disable temperature correction
Even though temperature correction does not affect calibration, it must be disabled while calibration is
being performed.
cal.adjust.step.setup("TC_EN")
cal.adjust.step.execute("TC_EN", 0)
Remote calibration adjustment procedures
The front-panel display does not show calibration progress or completion.
The following sections provide the preparation and command parameters that you need to complete
adjustments to you DMM6500. The preparation sections provide information necessary for making
connections and other equipment needed for that adjustment. The command parameter tables are
meant to run through in any order allowing you to adjust just the parameters you need. For a
complete adjustment, run through these sections in order, making the preparations and running all of
the command parameters.
You will send each command parameter twice. The first time you use the setup command, and the
second time you will use the execute command. More information on these commands can be found
in the TSP command reference (on page 4-4
). The two commands used are:
cal.adjust.step.setup
cal.adjust.step.execute
Disable temperature correction
Before you start your adjustment, you must turn off temperature correction. Run the following
commands to turn off temperature correction.
cal.adjust.step.setup("TC_EN")
cal.adjust.step.execute("TC_EN", 0)
Front-terminal adjustment with a 4-wire short
The following procedure provides instructions for completing a front-terminal adjustment using a
4-wire short. The following section provides a command parameter table to complete the adjustment.
For this adjustment, you need a:
• Keithley Model 8610 or Model 8620 Low Thermal Shorting Plug.
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