Keithley 2500 Service Manual

Table of Contents
1 Performance Verification
Introduction ................................................................................ 1-2
Verification test requirements ..................................................... 1-2
Environmental conditions ................................................... 1-2
Warm-up period .................................................................. 1-3
Line power .......................................................................... 1-3
Recommended test equipment ................................................... 1-4
Verification limits ....................................................................... 1-4
Example limits calculation .................................................. 1-5
Restoring factory defaults .......................................................... 1-5
Performing the verification test procedures ............................... 1-6
Test summary ...................................................................... 1-6
Test considerations .............................................................. 1-6
Current measurement accuracy .................................................. 1-6
Voltage bias accuracy ............................................................... 1-10
2 Calibration
Introduction ................................................................................ 2-2
Environmental conditions .......................................................... 2-2
Temperature and relative humidity ..................................... 2-2
Warm-up period .................................................................. 2-2
Line power .......................................................................... 2-2
Calibration considerations .......................................................... 2-3
Calibration cycle ................................................................. 2-3
Recommended calibration equipment ................................. 2-3
Calibration menu ........................................................................ 2-4
Unlocking calibration ................................................................. 2-5
Unlocking calibration from the front panel ........................ 2-5
Unlocking calibration by remote ........................................ 2-6
Changing the password .............................................................. 2-6
Changing the password from the front panel ...................... 2-6
Changing the password by remote ...................................... 2-6
Resetting the calibration password ............................................. 2-7
Viewing calibration dates and calibration count ........................ 2-7
Calibration errors ....................................................................... 2-8
Front panel error reporting .................................................. 2-8
Remote error reporting ........................................................ 2-8
Aborting calibration steps .......................................................... 2-8
Front panel calibration ............................................................... 2-8
Remote calibration ................................................................... 2-19
Remote calibration command summary ........................... 2-19
Remote calibration procedure ........................................... 2-20

Keithley 2500 Specifications

General

Brand	Keithley
Model	2500
Category	Measuring Instruments
Language	English