Keithley 6485 User Manual

Table of Contents
1 Getting Started
Introduction ................................................................................................ 1-2
Overview of this manual ............................................................................. 1-2
General information .................................................................................... 1-2
Warranty information ........................................................................... 1-2
Contact information .............................................................................. 1-3
Safety symbols and terms ..................
................................................. 1-3
Unpacking and inspection .................................................................... 1-3
Options and accessories ..................................................................... 1-4
Additional references ........................................................................... 1-7
Features ..................................................................................................... 1-8
Model 6485 front and rear p
anel familiarization ......................................... 1-8
Model 6485 front panel summary ........................................................ 1-8
Model 6485 rear panel summary ....................................................... 1-11
Analog output ..................................................................................... 1-12
Display ............................................................................................... 1-12
Status and error messages ................................................................ 1-12
Model 6487 front and rear panel familiarization ....................................... 1-13
Model 6487 front panel summary ...................................................... 1-13
Model 6487 rear panel summary ....................................................... 1-16
Voltage source ................................................................................... 1-17
Analog output ..................................................................................... 1-18
Digital I/O ........................................................................................... 1-18
Display ............................................................................................... 1-18
Status and error messages ................................................................ 1-18
Power-up .................................................................................................. 1-19
Line power connection ....................................................................... 1-19
Line frequency ................................................................................... 1-19
Power-up sequence ........................................................................... 1-20
Default settings ........................................................................................ 1-21
Saving user setups ............................................................................ 1-21
Restoring setups ................................................................................ 1-21
Restoring factory default setup .......................................................... 1-21
Menu ........................................................................................................ 1-26
SCPI programming ................................................................................... 1-27
Optional command words .................................................................. 1-27
Query commands .............................................................................. 1-27

Keithley 6485 Specifications

General

Model	Keithley 6485
Category	Picoammeter
Input Impedance	>10^14 Ohms
Voltage Burden	<200µV
Accuracy	0.4% of reading
Voltage Source Range	Not Applicable
Voltage Source Resolution	Not Applicable
Voltage Source Accuracy	Not Applicable
Interface	IEEE-488
Power Requirements	100V to 240V AC, 50/60Hz
Dimensions	89 mm high x 214 mm wide x 369 mm deep (3.5 in x 8.4 in x 14.5 in)