Download 3 - Artisan Technology Group

LIST OF ILLUSTRATIONS
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
2-9
Model 197 Front Panel . . . . . . . . . . . . . . . . . . . . . . .
.................................
DC Voltage Measurements . . . . . . . . . . . . . . . . . . .
.................................
TRMS AC Voltage Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
....................
Two Terminal Resistance Measurement . . . .
Four Terminal Resistance Measurement . . . .
....................
.................................
Four Terminal Zeroing . . . . . . . . .
Current Measurements Between 2
.........................................
................................
Current Measurements up to 2000mA . . . . . . . . .
Typical ACV Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
.................
Connections for DCV Verification . . .
. . . . . . . . . . . . . . . . .
Connections for ACV Verification . . .
Connections for 200, 2k and 20k Range
...............................
Connections for 200k through MU Ranges Verification (2-Terminal) . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connections for DC Current Verification (200pA to 2000mA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connections for DC Current Verification (2000mA to 20A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connections for AC Current Verification (200pA to 2000mA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connections for AC Current Verification (2OOOmA to 10A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1
4-2
4-3
4-4
4-5
4-6
Simplified Block Diagram . . . .
........................................................
JFET Multiplexer . . . . . . . . . . . .
........................................................
Simplified Schematic of the Input Buffer Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Configuration During 2- and 4-Terminal Resistance Measurements . . . . . . . . . . . . . . . . . . . . . . . .
Resistance Measurement Simplified Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A / D Converter . . . . . . . . . . .
................................................
4-2
4-3
4-3
4-4
4-5
4-6
5-1
5-2
5-3
5-3
5-4
5-5
5-6
5-7
.................................................
Model 197 Miscellaneous Parts . . . .
DCI I<TJ~:II
O N REVISION C . . . . . . . .
................................................
DC Voltage Calibration Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AC Voltage Calibration Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
...........
200, 2k and 20k Four Wire Resistance Calibration
..........
...
200k. 2M and 20M Two Wire Resistance Calibratic
.............................
Segment Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
...............
6-1
6-2
6-3
6-4
6-5
6-6
6-7
Display Assembly, Exploded View
................................................
. ........
ion Drawing, Dwg . No . 1978-100 . .
Model 1978 Battery Pack, Compone
Mother Board, Component Location Drawing, Dwg . No . 197-100 . . . . . . . . . . . .
Display Board, Component Location Drawing, Dwg . No . 197-110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mother Board, Schematic Diagram, Dwg . No . 197-106 . . . . . .
................
. . . . . . .
.............................
Display Board, Schematic Diagram, Dwg . No . 197-116 . . . . .
.................
Model 1978 Battery Pack, Schematic Diagram, Dwg . No . 1978-106 . . . . . .
2-2
2-6
2-7
2-9
2-9
2-9
2-10
2-10
2-15
.
.
3-2
3-3
3-4
3-4
3-5
3-5
3-6
3-6
5-5
5-5
5-7
5-7
3-7
5-9
6-1
6-7
6-11
6-13
6-15
6-17
vlvi
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com