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Model 2010 Multimeter
Keithley Instruments, Inc.
28775 Aurora Road Release Note
Cleveland, Ohio 44139
(440) 248-0400
www.keithley.com

Introduction
The Model 2010 Multimeter implements device-dependent commands used by the Keithley Models 196
and 199 digital multimeters. The "R" command is used to set the range for the selected function.

For the ohms function, the selected range depends on the Firmware Revision of the Model 2010. The
firware revision is displayed during power-up. Example display message for A12 firmware:

REV A12 A02

This Release Note affects the Model 2010 Multimeter User's Manual (Appendix D) and the Quick Refer-
ence Guide. Keep the master copy of this release note with these manuals. Also, make one or more copies
of this release note and attach the information in the appropriate places in the manuals.

Device-dependent command programming
Range (R) command
Range selection for the ohms function depends on the Revision Level of the Model 2010 and is summa-
rized by the following table:

Range selection for ohms function
Model 2010 Firmware Revision
Range
Command A0 through A10 A11 A12 and higher
for Ohms*
R0 Auto Auto Auto
R1 100 1k 100
R2 1k 10k 1k
R3 10k 100k 10k
R4 100k 1M 100k
R5 1M 10M 1M
R6 10M 100M 10M
R7 10M 100M 10M
R8 NA NA 100M
* 2-wire and 4-wire ohms

2010-910-01 Rev. A / 12-02