Front Panel Menu Reference SCPI Command
Display shows: “Enter P2 measured data”.Enter the data
from the external DMM.Press Enter when done.Press
Back to finish.
CAL:LEV P2
*OPC?
CAL:DATA <data>
Current Temperature Coefficient Calibration
The temperature coefficient calibration procedure must be performed Before any
other current calibration procedures.
Step 1.Connect a precision shunt resistor to the output. The shunt resistor should be able to measure
the output's full-scale current (see Cal Setup B). Connect the Keysight 3458A DMM across the shunt
resistor.
Step 2. Select the temperature coefficient calibration.
Front Panel Menu Reference SCPI Command
Select System\Admin\Cal\Misc\CurrTC.
Check that the shunt is connected and select Next.
CAL:CURR:TC
Step 3.Select the first current calibration point.Wait 5 minutes for the temperature to settle.
Calculate the shunt current (I=V/R) and enter the data.
Front Panel Menu Reference SCPI Command
Display shows: “Enter P1 measured data”. This should be
about 50% of the full-scale current rating. Press Enter when
done.
CAL:LEV P1
*OPC?
CAL:DATA <data>
Step 4.Select the second current calibration point. Wait 5 minutes for the temperature to settle.
Calculate the shunt current (I=V/R) and enter the data.
Front Panel Menu Reference SCPI Command
Display shows: “Enter P2 measured data”.Enter the data from
the external DMM. This should be about 80% of the full-scale
current rating. Press Enter when done.
CAL:LEV P2
*OPC?
CAL:DATA <data>
Step 5.Select the third current calibration point.Wait 5 minutes for the temperature to
settle.Calculate the shunt current (I=V/R) and enter the data.
Front Panel Menu Reference SCPI Command
Display shows: “Enter P3 measured data”.Enter the data
from the external DMM. This should be about 100% of the
full-scale current rating. Press Enter when done.Press
Back to finish.
CAL:LEV P3
*OPC?
CAL:DATA <data>
6 Verification and Calibration
276 Keysight RP7900 Series Operating and Service Guide
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