Keithley 2651A Reference Manual

Appendix A
Maintenance
In this appendix:
Introduction ............................................................................... A-1
Line fuse replacement .............................................................. A-1
Front panel tests ....................................................................... A-2
Upgrading the firmwa
re ............................................................ A-4
Introduction
The information in this section deals with routine maintenance of the Keithley Instruments Model
2651A High Power System SourceMeter
®
Instrument that can be performed by the operator.
Line fuse replacement
A fuse located on the Model 2651A rear panel protects the power line input of the High Power System
SourceMeter
®
Instrument.
WARNING
Disconnect the line cord at the rear panel, and remove all test leads connected to the
instrument before replacing the line fuse. Failure to do so could expose the operator to
hazardous voltages that could result in personal injury or death.
NOTE
The power line fuse is accessible from the rear panel, just below the AC power receptacle (see the
following figure).

Keithley 2651A Specifications

General

Brand	Keithley
Model	2651A
Category	Measuring Instruments
Language	English