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