Keithley 2001 Calibration Manual

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2.7.1 Front panel error message summary.............................................................................................................2-5
2.7.2 IEEE-488 bus error reporting .......................................................................................................................2-6
2.8 Comprehensive calibration...................................................................................................................................2-6
2.8.1 Recommended equipment for comprehensive calibration ...........................................................................2-6
2.8.2 Front panel comprehensive calibration ........................................................................................................2-6
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..............................................................................................................2-12
2.10 Low-level calibration..........................................................................................................................................2-12
2.10.1 Recommended equipment for low-level calibration ..................................................................................2-13
2.10.2 Low-level calibration summary..................................................................................................................2-13
2.10.3 Front panel low-level calibration procedure...............................................................................................2-15
2.10.4 IEEE-488 bus low-level calibration procedure ..........................................................................................2-18
3 Calibration Command Reference
3.1 Introduction .........................................................................................................................................................3-1
3.2 Command summary..............................................................................................................................................3-1
3.3 :CALibration:PROTected subsystem...................................................................................................................3-3
3.3.1 :LOCK..........................................................................................................................................................3-3
3.3.2 :SWITch?......................................................................................................................................................3-3
3.3.3 :SAVE...........................................................................................................................................................3-4
3.3.4 :DATA? ........................................................................................................................................................3-4
3.3.5 :DATE ..........................................................................................................................................................3-5
3.3.6 :DATE?.........................................................................................................................................................3-5
3.3.7 :NDUE..........................................................................................................................................................3-5
3.3.8 :NDUE?........................................................................................................................................................3-6
3.3.9 :LLEVel........................................................................................................................................................3-6
3.3.10 :DC ...............................................................................................................................................................3-9
3.4 :CALibration:UNPRotected Subsystem.............................................................................................................3-12
3.4.1 :ACCompensation ......................................................................................................................................3-12
3.5 Bus error reporting .............................................................................................................................................3-13
3.5.1 Calibration error summary .........................................................................................................................3-13
3.5.2 Detecting calibration errors ........................................................................................................................3-13
3.6 Detecting calibration step completion................................................................................................................3-13
3.6.1 Using the *OPC? query..............................................................................................................................3-13
3.6.2 Using the *OPC command .........................................................................................................................3-14
Appendices
A Model 2001 Specifications..................................................................................................................................A-1
B Calibration Programs...........................................................................................................................................B-1
C Calibration Messages...........................................................................................................................................C-1
D Alternate Calibration Sources .............................................................................................................................D-1

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