Technical data

Contents
Agilent U1251B/U1252B User’s and Service Guide XIII
Replacing the Fuse 103
Troubleshooting 105
6 Performance Tests and Calibration 107
Calibration Overview 108
Closed-case Electronic Calibration 108
Agilent Technologies Calibration Services 108
Calibration Interval 108
Adjustment is Recommended 109
Recommended Test Equipment 110
Basic Operating Test 111
Backlit Test 111
Testing the Display 111
Current Terminal Test 112
Charge Terminal Ale rt Test 113
Te st Co nsideratio n s 114
Input Connections 115
Performance Verification Tests 116
Calibration Security 124
Unsecuring the Instrument for Calibration 125
Calibration Process 128
Using the Front Panel for Adjustments 129
Adjustments Consideration 130
Valid Adjustment Input Values 131
Adjustment Procedure 132
Finishing the Adjustment 139
To Read th e C alibrati on Count 139
Calibration Errors 140
7 Specifications 141
DC Specifications 142
U1251B AC Specifications 144
U1252B AC Specifications 145
U1252B AC+DC Specifications 146
Temperature and Capacitance Specifications 147
U1251B & U1252B Frequency Specifications 148