6
Performance Tests and Calibration
106
Keysight U1211A, U1212A, and U1213A User’s and Service Guide
Front Panel Calibration
Calibration process
The following general procedure is the recommended method to complete a full
instrument calibration:
1
Read
2
Perform the verification tests to characterize the instrument (incoming data).
3
Unsecure the instrument calibration (see
4
Perform the adjustment procedures (see
5
Secure the instrument against calibration.
6
Note the new security code and calibration count in the instrument
maintenance records.
Adjustment procedures
The calibration procedures are shown as follows:
1
Press
Range/Auto
for more than 1 second while rotating the rotary switch to
the function you wish to adjust.
2
Unsecure the clamp meter. Refer to
“Unsecuring the instrument for
3
After verifying that the security code entered is correct, the instrument will
indicate the reference input value of the adjustment item on the primary
display after briefly showing “PASS” on the secondary display.
4
Set up the indicated reference input and apply this input to the correct
terminals of the clamp meter. For example:
– If the required reference input is “SHORT”, use a shorting plug to short the
two relevant terminals.
NOTE
Make sure that you quit the adjustment mode before turning off the clamp
meter.