Keithley 2002 Calibration Manual

Table of Contents
1 Performance Verification
1.1 Introduction......................................................................................................................................................... 1-1
1.2 Environmental conditions ................................................................................................................................... 1-1
1.3 Warm-up period .................................................................................................................................................. 1-1
1.4 Line power .......................................................................................................................................................... 1-2
1.5 Recommended test equipment ............................................................................................................................ 1-2
1.6 Verification limits ............................................................................................................................................... 1-2
1.6.1 Reading limit calculation example.............................................................................................................. 1-2
1.6.2 Additional derating factors.......................................................................................................................... 1-2
1.7 Restoring default conditions ............................................................................................................................... 1-2
1.8 Verification procedures....................................................................................................................................... 1-4
1.8.1 DC volts verification................................................................................................................................... 1-4
1.8.2 AC volts verification................................................................................................................................... 1-6
1.8.3 DC current verification ............................................................................................................................. 1-11
1.8.4 AC current verification ............................................................................................................................. 1-12
1.8.5 Resistance verification .............................................................................................................................. 1-13
1.8.6 Frequency accuracy verification ............................................................................................................... 1-15
1.8.7 Temperature reading checks ..................................................................................................................... 1-17
2 Calibration
2.1 Introduction......................................................................................................................................................... 2-1
2.2 Environmental conditions ................................................................................................................................... 2-2
2.3 Warm-up period .................................................................................................................................................. 2-2
2.4 Line power .......................................................................................................................................................... 2-2
2.5 Calibration lock................................................................................................................................................... 2-2
2.5.1 Comprehensive calibration lock.................................................................................................................. 2-2
2.5.2 Low-level calibration lock .......................................................................................................................... 2-2
2.5.3 IEEE-488 bus calibration lock status .......................................................................................................... 2-2
2.6 IEEE-488 bus calibration commands.................................................................................................................. 2-2
2.7 Calibration errors ................................................................................................................................................ 2-4
2.7.1 Front panel error reporting.......................................................................................................................... 2-4
2.7.2 IEEE-488 bus error reporting...................................................................................................................... 2-4
2.8 Comprehensive calibration ................................................................................................................................. 2-4
2.8.1 Recommended equipment for comprehensive calibration.......................................................................... 2-4
2.8.2 Front panel comprehensive calibration ....................................................................................................... 2-4
2.8.3 IEEE-488 bus comprehensive calibration................................................................................................... 2-9
2.9 AC self-calibration............................................................................................................................................ 2-12
2.9.1 Front panel AC calibration........................................................................................................................ 2-12
2.9.2 IEEE-488 bus AC self-calibration ............................................................................................................ 2-13
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Keithley 2002 Specifications

General

Resolution	8.5 digits
DC Voltage Accuracy	±0.0006%
Maximum DC Voltage	1000 V
Maximum AC Voltage	750 V
Maximum DC Current	3 A
Maximum AC Current	3 A
Connectivity	GPIB, RS-232
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Resistance Range	10 Ω to 1 GΩ
Model	2002
Category	Multimeter
Interface	GPIB, RS-232
AC Current Accuracy	±0.1%
Frequency Range	0.1Hz to 300kHz
Display	VFD
Type	Digital
Power Supply	100-240V AC, 50/60Hz
Current Range (DC)	100 μA to 3 A
Current Accuracy (DC)	±0.01%
Current Range (AC)	100 μA to 3 A
Current Accuracy (AC)	±0.1%
DC Current Range	100 μA to 3 A
AC Current Range	100 μA to 3 A