Keithley 6517A

Table of Contents
i
1 General Information
1.1 Introduction ........................................................................................................................................................ 1-1
1.2 Features .............................................................................................................................................................. 1-1
1.3 Warranty information ......................................................................................................................................... 1-2
1.4 Manual addenda ................................................................................................................................................. 1-2
1.5 Safety symbols and terms ................................................................................................................................... 1-2
1.6 Specifications ..................................................................................................................................................... 1-2
1.7 Inspection ........................................................................................................................................................... 1-2
1.8 Options and accessories ..................................................................................................................................... 1-2
2 Front Panel Operation
2.1 Introduction ........................................................................................................................................................ 2-1
2.2 Power-up ............................................................................................................................................................ 2-2
2.2.1 Line power connections ............................................................................................................................. 2-2
2.2.2 Line fuse replacement ................................................................................................................................ 2-2
2.2.3 Power-up sequence ..................................................................................................................................... 2-3
2.2.4 Power-on default conditions ...................................................................................................................... 2-3
2.2.5 Warm-up period ......................................................................................................................................... 2-4
2.2.6 IEEE-488 primary address ......................................................................................................................... 2-4
2.3 Display ............................................................................................................................................................... 2-4
2.3.1 Exponent mode (Engineering or Scientific) ............................................................................................... 2-4
2.3.2 Information messages ................................................................................................................................ 2-4
2.3.3 Status and error messages .......................................................................................................................... 2-5
2.3.4 Multiple displays ........................................................................................................................................ 2-7
2.3.5 Navigating menus ...................................................................................................................................... 2-8
2.4 Connections — electrometer, high-resistance meter, and V-source .................................................................. 2-9
2.4.1 Electrometer input connector ..................................................................................................................... 2-9
2.4.2 High-resistance meter connections .......................................................................................................... 2-11
2.4.3 Voltage source output connections .......................................................................................................... 2-11
2.4.4 Low noise cables, shielding, and guarding .............................................................................................. 2-12
2.4.5 Floating circuits ........................................................................................................................................ 2-13
2.4.6 Test fixtures .............................................................................................................................................. 2-15
2.5 Voltage measurements ..................................................................................................................................... 2-18
2.5.1 Basic measurement procedure .................................................................................................................. 2-18
2.5.2 Volts configuration .................................................................................................................................. 2-21
2.5.3 Voltage measurement considerations ....................................................................................................... 2-22
2.6 Current measurements ...................................................................................................................................... 2-24
2.6.1 Basic measurement procedure .................................................................................................................. 2-24
2.6.2 Amps configuration .................................................................................................................................. 2-27
2.6.3 Current measurement considerations ....................................................................................................... 2-28