Keithley 177 Instruction Manual page 4

4.2.2
4.2.3
4.3
4.3.1
4.3.2
4.3.3
4.4
4.4.1
4.4.2
4.5
4.5.1
4.5.2
4.5.3
4.6
4.7
4.8
4.8.1
4.8.2
4.8.3
4.9
4.10
4.11
4.11.1
4.11.2
5.1
5.2
5.3
5.4
5.4.1
5.4.2
5.4.3
5.5
5.6
5.6.1
5.6.2
5.6.3
5.6.4
5.6.5
5.6.6
5.6.7
5.7
5.8
5.9
6.1
6.2
6.3
6.4
6.5
6.6
6.7
AIDConverter
..............................................................................
RangeSwitching
............................................................................
ACConverter .................................................................................
Scaling ....................................................................................
ACConversion
..............................................................................
ACCurrentMeasurements ....................................................................
DCSignalConditioning
.........................................................................
InputAttenuation ...........................................................................
Chopper ...................................................................................
OhmsConversion .............................................................................
Floating
Current Source ......................................................................
Chopper ...................................................................................
Adjustments and Input Overload Protection.
.....................................................
AnalogOutput
................................................................................
Clock .......................................................................................
AIDConverter
................................................................................
Auto-Zero ..................................................................................
Signal-Interface
.............................................................................
Reference-Integrate .........................................................................
Display ......................................................................................
ACPowerSupply .............................................................................
Model17888atteryPack..
.....................................................................
BatteryChargingCircuit ......................................................................
Battery Operation and Shutdown Circuit
........................................................
SECTION 5-MAINTENANCE
Introduction ..................................................................................
RecommendedTestEquipment
..................................................................
EnvironmentalCondttlons .........................................................................
CalibrationProcedure
..........................................................................
Calibration Shield Installation
..................................................................
Warm-Up ..................................................................................
Calibration Instructions
.......................................................................
Troubleshooting
...............................................................................
Troubleshootingprocedure .....................................................................
Calibration Shield/Batten/ Pack Removal .......................................................
LinePower
.................................................................................
Battery Power
..............................................................................
DisplayandA/DConverter ...................................................................
ACConverter ...............................................................................
Chopper Amplifier and Ohms Source
...........................................................
CurrentShunts .............................................................................
Front Panel ZERO Knob Removal and Replacement
................................................
FuseReplacement
.............................................................................
Model 1788 Battery Pack Installation.
.............................................................
SECTION 6--REPLACEABLE PARTS
Introduction ..................................................................................
PartsList .....................................................................................
Orderinglnformation
............................................................................
FactoryService.. ..............................................................................
ComponentLocationDrawings ...................................................................
SchematicDiagrams
.................................................................
...........
MaintenanceKit
...............................................................................
4-2
4-2
4-2
4-2
4-2
4-2
4-2
4-3
4-3
4-4
4-4
4-4
4-4
4-4
4-4
4-4
4-5
4-5
4-5
4-6
4-6
4-6
4-6
4-6
5-l
5-1
5-1
5-1
5-1
5-l
5-l
5-2
5-2
5-2
5-4
5-4
5-4
5-4
5-4
5-4
5-4
5-5
5-6
6-l
6-l
6-l
6-l
6-1
6-l
6-l
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