U3402A User’s and Service Guide xv
AC Current Verification Test 73
5 Disassembly and Repair
Operating Checklist 76
Types of Service Available 77
Cleaning 78
To Replace the Power Line Fuse 79
To Replace a Current Input Fuse 80
Electrostatic Discharge (ESD) Precautions 80
Mechanical Disassembly 81
Replaceable Parts 87
Rack Mounting 88
6 Specifications and Characteristics
General Characteristics 90
Measurement Category 92
Measurement Category Definitions 92
Specifications 93
DC Voltage 93
DC Current 94
AC Voltage (True RMS, AC Coupling Mode) 95
AC Voltage (True RMS, AC+DC Coupling Mode) 96
AC Current (True RMS, AC Coupling Mode) 97
AC Current (True RMS, AC+DC Coupling Mode) 98
Resistance 99
Diode Test/Continuity 100
Resistance/Continuity (2-wire) 100
Frequency 100
Decibel (dB) Calculation 101
Supplemental Specifications 102
Display Counts 102
Measurement Specifications 102
To C a l cu l at e Tot a l M e as u r e m en t Er ro r 107
Accuracy Specifications 108
Tra nsfe r Accu rac y 108
U3402-90001.book Page xv Friday, July 24, 2009 4:04 PM
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