Chapter 1 General Information 7
Chapter 1 General Information
Introduction
This manual has information to perform assembly level troubleshooting of
the 3458A Multimeter. Included are the removal/installation procedures of
the instrument's printed circuit board assemblies, and a parts list. This manual
is intended for use by service-trained personnel only. Operating and
programming personnel should refer to the 3458A Multimeter User’s Guide.
Detailed operating and programming information is excluded from this
manual. Only sufficient information for service purposes is included. For
more detailed operating and programming information, refer to the 3458A
Multimeter User’s Guide.
WARNING The information in this manual is for the use of Service Trained
Personnel only. To avoid electrical shock, do not perform any
procedures in this manual or do any servicing to the 3458A,
unless you are qualified to do so.
Manual Description
This manual is separated into the four following chapters.
Chapter 1 - General Information
Chapter 1 contains a brief description of the instrument and other general
information.
Chapter 2 - Operating Information
Chapter 2 summarizes instrument operation geared for service-trained
personnel. Only service related commands are summarized. For more
operating information, refer to the 3458A Multimeter User’s Guide.
Chapter 3 - Removal/Installation Procedures and Mechanical Parts List
Chapter 3 has the removal/installation procedures for the 3458A Printed
Circuit Board Assemblies. The section also has a mechanical parts list.
Chapter 4 - Assembly Level Troubleshooting
Chapter 4 contains a block diagram theory of operation and assembly level
troubleshooting information.
Instrument Description
The 3458A is a high precision digital multimeter that can measure AC and
DC volts, AC and DC current, AC+DC volts, AC+DC current, resistance,
period, and frequency. It can also perform complex math calculations.
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