117
Agilent Technologies
Agilent U1251B and U1252B Handheld Digital Multimeter
User’s and Service Guide
6
Performance Tests and Calibration
Calibration Overview 118
Closed-case electronic calibration 118
Agilent Technologies calibration services 118
Calibration interval 119
Adjustment is recommended 119
Recommended Test Equipment 120
Basic Operating Test 121
Backlit test 121
Testing the display 121
Current terminal test 122
Charge terminal alert test 123
Test Considerations 124
Calibration Security 125
Performance Verification Tests 126
Unsecuring the instrument for calibration 134
Calibration Process 137
Using the front panel for adjustments 138
Adjustments Consideration 139
Valid adjustment input values 140
Adjustment Procedure 141
Finishing the Adjustment 148
To Read the Calibration Count 148
Calibration Errors 149
This chapter contains the performance test procedures and
the adjustment procedure.