Keithley 2001 Calibration Manual

Table of Contents
i
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 ...........................................................................................................................................................1-1
1.5 Recommended test equipment .............................................................................................................................1-2
1.6 Verification limits ................................................................................................................................................ 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....................................................................................................................................1-5
1.8.3 DC current verification .............................................................................................................................. 1-10
1.8.4 AC current verification .............................................................................................................................. 1-11
1.8.5 Resistance verification ............................................................................................................................... 1-13
1.8.6 Frequency accuracy verification ................................................................................................................1-16
1.8.7 Temperature reading checks ......................................................................................................................1-17
2Calibration
2.1 Introduction.......................................................................................................................................................... 2-1
2.2 Environmental conditions .................................................................................................................................... 2-1
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 and program ............................................................................................. 2-2
2.6.1 Calibration commands .................................................................................................................................2-2
2.6.2 Required order of command execution........................................................................................................2-4
2.6.3 Example calibration command program......................................................................................................2-4
2.7 Calibration errors .................................................................................................................................................2-5

Keithley 2001 Specifications

General

Model	2001
Category	Multimeter
Manufacturer	Keithley
Type	Digital Multimeter
Digits of Resolution	7.5
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Frequency Range	3 Hz to 500 kHz
Connectivity	GPIB, RS-232
Display	VFD
Resistance Accuracy	0.008% + 2.0 mΩ
Frequency Accuracy	±0.01%
DC Current Range	10 μA to 3 A
AC Current Range	10 μA to 3 A
Power Supply	100 V to 240 V AC, 45 Hz to 66 Hz