Keysight 34401A - Page 15

Chapter 4 Calibration Procedures
Agilent Calibration Services 61
Calibration Interval 61
Time Required for Calibration 61
Automating Calibration Procedures 62
Recommended Test Equipment 63
Test Considerations 64
Performance Verification Tests 65
Zero Offset Verification 67
Gain Verification 69
Optional AC Performance Verification Tests 72
Calibration Security Code 73
Calibration Count 75
Calibration Message 75
Calibration Procedures 76
Aborting a Calibration in Progress 76
Zero Adjustment 77
Gain Adjustment 79
Optional Gain Calibration Procedures 82
Understanding the AC Signal Filter 85
Understanding Resolution 86
Error Messages 89
Chapter 5 Theory of Operation
Block Diagram 93
Front/Rear Selection 94
Function Switching 95
DC Amplifier 96
Ohms Current Source 98
AC Circuit 99
A-to-D Converter 101
Floating Logic 103
Earth-Referenced Logic 105
Power Supplies 106
Front Panel 107
Contents
Contents
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