Keithley 2015 Service Manual

Table of Contents
1
Performance Verification
Introduction ........................................................................................ 1-2
Verification test requirements ............................................................ 1-3
Environmental conditions .............................................................. 1-3
Warm-up period ............................................................................. 1-3
Line power ..................................................................................... 1-3
Recommended test equipment ........................................................... 1-4
Verification limits ............................................................................... 1-5
Example reading limit calculation ................................................. 1-5
Calculating resistance reading limits ............................................. 1-5
Restoring factory defaults .................................................................. 1-6
Performing the verification test procedures ....................................... 1-7
Test summary ................................................................................. 1-7
Test considerations ......................................................................... 1-7
Verifying DC voltage ......................................................................... 1-8
Verifying AC voltage ....................................................................... 1-10
Verifying DC current ....................................................................... 1-12
Verifying AC current ........................................................................ 1-13
Verifying resistance ......................................................................... 1-14
Verifying temperature ...................................................................... 1-16
Verifying frequency ......................................................................... 1-17
Verifying total harmonic distortion .................................................. 1-18
Verifying function generator amplitude ........................................... 1-19
2 Calibration
Introduction ........................................................................................ 2-2
Environmental conditions .................................................................. 2-3
Warm-up period ............................................................................. 2-3
Line power ..................................................................................... 2-3
Calibration considerations ................................................................. 2-4
Calibration code ................................................................................. 2-5
Front panel calibration code ........................................................... 2-5
Remote calibration code ................................................................. 2-5
Comprehensive calibration ................................................................ 2-6
Calibration cycle ............................................................................ 2-6
Recommended equipment .............................................................. 2-6
Aborting calibration ....................................................................... 2-7
Front panel calibration ................................................................... 2-7
Preparing the Model 2015 for calibration ...................................... 2-7
Front panel short and open calibration ........................................... 2-8
DC volts calibration ....................................................................... 2-9

Keithley 2015 Specifications

General

Model	Keithley 2015
Category	Multimeter
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Frequency Range	3 Hz to 300 kHz
Resistance Range	100 MΩ
DC Current Range	3 A
DC Current Accuracy	0.05%
AC Current Range	3 A
Display	5.5 digit
Connectivity	GPIB
Power Supply	100 V to 240 V AC, 50 Hz to 60 Hz