Model 2100 6 1/2-Digit Resolution Digital Multimeter User’s ManualWarrantyManual Print HistorySafety PrecautionsTable of ContentsList of FiguresList of TablesSection 1 General InformationIntroductionFeature overviewSpecificationsManual addendaPrecautions for operationUpkeep of the Model 2100Safety informationInspection for damageShipment contentsInstruction manualRepacking for shipmentSection 2 Getting StartedOverviewSetting up the Model 2100 Digital MultimeterModel 2100 familiarizationSection 3 Basic Measurement FunctionsIntroductionVoltage measurements (DC and AC)Current measurements (DC and AC)Resistance measurements (2- and 4-wire)Frequency and period measurementsContinuity measurementsDiode measurementsRTD measurementsSection 4 Front Panel OperationsIntroductionMeasurement configurationSensor selection for temperatureTrigger operationsMath operationsOther system-related operationsSection 5 Remote Interface OperationsIntroductionSetting up the remote interfaceRemote interface commandsTriggeringSystem-related commandsSection 6 Error MessagesIntroductionExecution errorsAppendix A SpecificationsModel 2100 6 1/2-Digit Resolution Digital Multimeter SpecificationsAppendix B Remote Interface ReferenceAn introduction to SCPI languageAbout application programsIndexNumericsABCDEFHIKLMNOPQRSTUVWwww.keithley.comModel 2100 6 1/2-Digit Resolution Digital MultimeterUser’s Manual2100-900-01 Rev. B / July 2007A GREATER MEASURE OF CONFIDENCEA G R E A T E R M E A S U R E O F C O N F I D E N C EKeithley Instruments, Inc.Corporate Headquarters • 28775 Aurora Road • Cleveland, Ohio 44139440-248-0400 • Fax: 440-248-6168 • 1-888-KEITHLEY (1-888-534-8453) • www.keithley.com3/07WARRANTYKeithley Instruments, Inc. warrants this product to be free from defects in material and workmanship for a period of one (1) year from date of shipment.Keithley Instruments, Inc. warrants the following items for 90 days from the date of shipment: probes, cables, software, rechargeable batteries, diskettes, and documentation.During the warranty period, Keithley Instruments will, at its option, either repair or replace any product that proves to be defective.To exercise this warranty, write or call your local Keithley Instruments representative, or contact Keithley Instruments headquarters in Cleveland, Ohio. You will be given prompt assistance and return instructions. Send the product, transportation prepaid, to the indicated service facility. Repairs will be made and the product returned, transportation prepaid. Repaired or replaced products are warranted for the balance of the original warranty period, or at least 90 days.LIMITATION OF WARRANTYThis warranty does not apply to defects resulting from product modification without Keithley Instruments’ express written consent, or misuse of any product or part. This warranty also does not apply to fuses, software, non-rechargeable batteries, damage from battery leakage, or problems arising from normal wear or failure to follow instructions.THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. THE REMEDIES PROVIDED HEREIN ARE BUYER’S SOLE AND EXCLUSIVE REMEDIES.NEITHER KEITHLEY INSTRUMENTS, INC. NOR ANY OF ITS EMPLOYEES SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF ITS INSTRUMENTS AND SOFTWARE, EVEN IF KEITHLEY INSTRUMENTS, INC. HAS BEEN ADVISED IN ADVANCE OF THE POSSIBILITY OF SUCH DAMAGES. SUCH EXCLUDED DAMAGES SHALL INCLUDE, BUT ARE NOT LIMITED TO: COST OF REMOVAL AND INSTALLATION, LOSSES SUSTAINED AS THE RESULT OF INJURY TO ANY PERSON, OR DAMAGE TO PROPERTY.Model 21006 1/2-Digit Resolution Digital MultimeterUser’s Manual©2007, Keithley Instruments, Inc.All rights reserved.Cleveland, Ohio, U.S.A.2100-900-01 Rev. B / July 2007Document Number:Manual Print History Model 2100 6 1/2-Digit Resolution Digital Multimeter User’s ManualAll Keithley Instruments product names are trademarks or registered trademarks of Keithley Instruments, Inc.Other brand names are trademarks or registered trademarks of their respective holders.2100-900-01 Rev. B / July 2007Manual Print HistoryThe print history shown below lists the printing dates of all Revisions and Addenda created for this manual. The Revision Level letter increases alphabetically as the manual undergoes subsequent updates. Addenda, which are released between Revisions, contain important change information that the user should incorporate immediately into the manual. Addenda are numbered sequentially. When a new Revision is created, all Addenda associated with the previous Revision of the manual are incorporated into the new Revision of the manual. Each new Revision includes a revised copy of this print history page.Revision A (Document Number 2100-900-01) .........................................................June 2007Revision B (Document Number 2100-900-01) .......................................................... July 2007Safety Precautions 06/07The following safety precautions should be observed before using this product and any associated instrumentation. Although some instruments and accessories would normally be used with non-hazardous voltages, there are situations where hazardous conditions may be present.This product is intended for use by qualified personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury. Read and follow all installation, operation, and maintenance information carefully before using the product. Refer to the user documentation for complete product specifications.If the product is used in a manner not specified, the protection provided by the product warranty may be impaired.The types of product users are:Responsible body is the individual or group responsible for the use and maintenance of equipment, for ensuring that the equipment is operated within its specifications and operating limits, and for ensuring that operators are adequately trained.Operators use the product for its intended function. They must be trained in electrical safety procedures and proper use of the instrument. They must be protected from electric shock and contact with hazardous live circuits.Maintenance personnel perform routine procedures on the product to keep it operating properly, for example, setting the line voltage or replacing consumable materials. Maintenance