Service Manuals, User Guides, Schematic Diagrams or docs for : Keithley 191 191 (A - 1979)(30183 Instruction)

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         Instruction   Manual
                Model 191
          Digital Multimeter




01979, Keithley    Instruments,   Inc.
      Cleveland,   Ohio, U.S.A.
     TABLE OF CONTENTS




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                         6.2




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MODEL 191 DMM                                                                                                                             GENERAL INFORMATION




                                                   SECTION           1.          GENERAL INFORMATION




l-l.     INTRODUCTION.                                                                          1-3.       Your OMM also      has features        and advantages          that
1-2.    The Keithley      Model     191  is   a 5-l/2              digit,                       might      not be readily      apparent.         Soae of these         aw:
200,000-count,       manual-ranging     bench  digital             multi-
                                                                                            .       5-l/2   digit     LEO display        with   appropriate        de-
meter with     dc volts     and ohms ranges     standard.                   It
                                                                                                    cimal   point     - 0.5 inch         digits     permit       monitorinq
provides      highly       accurate,      stable,    low noise      and
                                                                                                    nx?asurements      fron1 across       tllc r""!".
fast-responding          readings     from 1uV to 1200 volts         dc
on 5 voltage         ranges,     and 2 and 4 terminal       measut-e-                       l       Pushbutton        NULL         eliminates      potenti"mrtPr
ments from 1 milliohm              to 20 lrlegohms on 6 resistance                                  zeroing,      corrects       for     lead resistance         in ?-wire
ranges.       The 191 is capable             of 0.0005%  resolution                                 ohms, bucks         out thermal          EMF's     in 1ow IPYPI           dc
and luVlln!G        sensitivity.           In  addition,    if      you                             nleasurements         3

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