Calibration procedure
Enter the calibration state
To begin the calibration procedure, you must enter the calibration state.
Step
Front Panel
SCPI
1
Press Utilities > Test / Setup > Calibration.
Enter the default passcode (default passcode is 0). Press Login to enter the
calibration page.
CAL:SEC:STAT 0, <
code
>
2
To change a forgotten passcode to a new passcode, you can turn on the
instrument after shorting CAL SECURE jumper J10 on the front panel board
and send scpi command to change the passcode.
CAL:SEC:CODE <code>
Calibrate voltage
High range
Let the unit sit with input ON for one minute before performing calibration.
Connect an external power supply to the load input terminals. Set the power supply to 150 V with a current limit of 1
A. Connect a DMM capable of handling 150 V in parallel with the unit’s input (see
). Turn on the output
of the power supply.
Step
Front Panel
SCPI
1
Press Perform Calibration and select the input for calibration. Press Cal Volt.
Select High range and press Next.
CAL:VOLT:LEV MIN, (@chanlist)
2
Measure the input voltage (low point) with the DMM.
Note: Wait 3 minutes for the voltage to stabilize before measuring the voltage with DMM.
3
Enter the measured value, and press Next.
CAL:VOLT <
reading
>, (@<channel>)
4
Measure the input voltage (high point) with the DMM.
Note: Wait 3 minutes for the voltage to stabilize before measuring the
voltage with DMM.
CAL:VOLT:LEV MAX, (@chanlist)
5
Enter the measured value, and press Next.
CAL:VOLT <
reading
>, (@<channel>)
6
Read DONE or FAIL on the display.
(wait 30 seconds)
SYST:ERR?
7
Press Cal Save.
CAL:SAVE
Keysight EL30000 Series Service Guide
33
