Agilent Technologies 34980A - Page 61

45
Agilent 34980A Multifunction Switch/Measure Unit
Service Guide
Agilent Technologies
3
Calibration Procedures
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Agilent Technologies Calibration Services 46
Calibration Interval 46
Adjustment
is Recommended 46
Time Required for Calibration 47
Automating Calibration Procedures 47
Recommended Test Equipment 48
Calibration Security 49
Calibration Message 50
Calibration Count 50
Calibration Process 51
Aborting a Calibration in Progress 51
Performance Verification Tests 52
Input Connections 54
DMM Test Considerations 55
Internal DMM Verification Tests 55
Optional AC Performance Verification Tests 61
Internal DMM Adjustments 62
Gain Adjustment 63
Plug-in Module Test Considerations 67
34951A 4-Ch Isolated DAC Module 68
34952A Multifunction Module 73
Relay Plug-in Modules
75
Thermocouple Reference Junction 34921A (Optional) 77
深圳德标仪器 135-1095-0799