Technical data

Calibration Procedures 1
Calibration Process
U1270 Series Service Guide 25
Calibration Process
1 Prior to performing the verification tests, see the “Test
Considerations” on page 26.
2 Perform the verification tests to characterize the
instrument; see “Performance Verification Tests” on
page 27.
3 Unsecure the instrument for calibration; see “Calibration
Security” on page 37.
4 Prior to performing the adjustments, see the “Adjustment
considerations” on page 42.
5 Perform the adjustment procedure; see “Adjustment
procedure” on page 47.
6 Secure the instrument against unauthorized calibration;
see “Exiting the adjustment mode” on page 48. Ensure
that the instrument has quit the adjustment mode and is
turned off.
7 Record the new security code and calibration count in the
instrument's maintenance records.