135
Agilent Technologies
Agilent U1253B True RMS OLED Multimeter
User’s and Service Guide
6
Performance Tests and Calibration
Calibration Overview 136
Closed-case electronic calibration 136
Agilent Technologies’ calibration services 136
Calibration interval 137
Other recommendations for calibration 137
Recommended Test Equipment 138
Basic Operating Tests 139
Testing the display 139
Current terminals test 140
Charge terminals alert test 141
Test Considerations 142
Performance Verification Tests 143
Calibration Security 150
Unsecuring the instrument for calibration 150
Changing Calibration Security Code 153
Resetting the security code to factory default 155
Adjustment Considerations 157
Valid adjustment reference input values 158
Calibration From Front Panel 162
Calibration process 162
Calibration procedures 163
Calibration count 170
Calibration error codes 171
This chapter contains the performance test and adjustment
procedures.