Keithley 197 User Manual

LIST OF ILLUSTRATIONS
2-1
2-2
2-3
2 -4
2-5
2-6
2-7
2-8
2-9
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
4-1
4-2
4-3
4-4
4-5
4-6
5-1
5-2
5-3
5-4
5-5
5-6
5 -7
6-1
6-2
6-3
6-4
6-5
6-6
6-7
Model 197 Front Panel
....................... ................................. 2-2
DC Voltage Measurements ................... ................................. 2-6
TRMS AC Voltage Measurements
........................................................
2-7
Two Terminal Resistance Measurement
.... .................... 2-9
Four Terminal Resistance Measurement
.... .................... 2-9
Four Terminal Zeroing
......... ................................. 2-9
Current Measurements Between 2
......................................... 2-10
Current Measurements up to 2000mA
......... ................................ 2-10
Typical ACV Frequency Response
....................................................... 2-15
Connections for
DCV Verification ... .................. 3-2
Connections for ACV Verification
... .................. 3-3
Connections for 200, 2k and 20k Range
............................... 3-4
Connections for 200k through MU Ranges Verification (2-Terminal) ............................ 3-4
Connections for DC Current Verification (200pA to 2000mA) .................................. 3-5
Connections for DC Current Verification (2000mA to 20A)
................................... 3-5
Connections for AC Current Verification (200pA to 2000mA) .................................. 3-6
Connections for AC Current Verification (2OOOmA to 10A)
................................... 3-6
Simplified Block Diagram .... ........................................................ 4-2
4-3
Input Configuration During 2- and 4-Terminal Resistance Measurements
........................
4-4
Resistance Measurement Simplified Circuit
.................................................
4-5
A/D Converter ................................................ 4-6
JFET Multiplexer
............ ........................................................ 4-3
Simplified Schematic of the Input Buffer Amplifier ..........................................
...........
5-3
DCI I<TJ~:II ON REVISION C ........ ................................................ 5-5
5-5
DC Voltage Calibration Configuration ...................................................
5-7
AC Voltage Calibration Configuration ...................................................
........... 5-7
200, 2k and 20k Four Wire Resistance Calibration .......... ...
200k. 2M and 20M Two Wire Resistance Calibratic ............................. 3-7
Segment Identification ............................... ............... 5-9
Model 197 Miscellaneous Parts ....
.................................................
Display Assembly, Exploded View ................................................ 6-1
......... 6-7
6-11
............................. 6-15
................. 6-17
Model 1978 Battery Pack, Compone
Mother Board, Schematic Diagram, Dwg
. No . 197-106 ...... ................ ....... 6-13
Model 1978 Battery Pack, Schematic Diagram, Dwg
. No . 1978-106 ......
ion Drawing, Dwg . No . 1978-100 . .
Mother Board, Component Location Drawing, Dwg . No . 197-100 ............
Display Board, Component Location Drawing, Dwg . No . 197-110 .............................
Display Board, Schematic Diagram, Dwg . No . 197-116 .....
vlvi
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Keithley 197 Specifications

General

Brand	Keithley
Model	197
Category	Multimeter
Language	English