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Figure
Title
Page
1-
1
Model
177 Front Panel
1-0
2-
1
Model
177 Rear
View
of
Standard
Line
Voltage Instrument
2-2
2-2
Model
177 Rear
View
of
Optional Line
Voltage Instrument
2-2
2-
3
Operating Controls
2-5
3-
1
Test
Circuit for
20mVDC
Accuracy Check
3-2
4-
1
Model
177
Simplified Signal
Flow
Block
Diagram
4-1
4-2
Simplified Signal
Conditioning
4-3
4-
3
A/D
Converter Function
4-5
5-
1
Test
Point Locations
5-3
5-2
integrator
and Comparator
Waveforms
5-4
5-3
Front Panel Zero
Knob
Removal
5-5
5-
4
Battery
Pack
Installation
5-5
6-
1
Model
177 Covers and
Panels
6-2
6-2
Model
177 PC-476,
Component
Location Drawing,
Dwg.
No.
29474D
6-11
6-3
Display
Board PC-475,
Component
Location
Drawing,
Dwg.
No.
29652C
6-15
6-4
Model
1788
Battery
Pack
PC-451,
Component
Location Drawing,
Dwg.
No.
29007C
6-16
6-5
Model 1788
Battery Pack,
Schematic Diagram,
Dwg.
No.
29659C
6-17
6-6
Model
177 4V2
Digit
Multimeter,
Schematic
Diagram,
Dwg.
No.
29658E
6-19
LIST
OF TABL
Table
Title
Page
2-1
Model
177
DMM
Condensed
Operating
Instructions
2-4
2-
2
Resistance
Ranges
2-6
3-
1
Recommended
Test
Equipment
for
Performance
Verification
3-1
3-2
DC
Voltage Performance
Check
(2V
to
1200V
Ranges)
3-2
3-3
AC
Voltage
Accuracy Check
3-2
3-4
Resistance
Accuracy Check
3-3
3-
5
DC
Current
Accuracy Check
3-3
4-
1
Range
Switch
Correlation
4-2
4-2
AC
Converter Attenuation
Amplification
4-3
4-3
DC
Signal Conditioning Attenuation
and
Gain
4-3
4-
4
Ohms
Conversion
4-4
5-
1
Recommended
Test
Equipment
for Calibration
5-1
5-2
Calibration
Procedure
5-2
5-
3
Line
Power Checks
5-6
6-
4
Battery
Power Checks
5-7
5-5
Display
5-8
5-6
A/
D
Converter
5-8
5-7
AC
Converter
5-9
5-8
DC
Attenuator
and Chopper
Amplifier
5-10
5-9
Ohms
Source and
Resistors
5-11
5-10
Current
Shunts
5-11
5-
11
Adjustment
of Battery
Charge
Voltage
5-12
6-
1
Model
177 Spare
Parts
Kit
6-3
6-2
Mother
Board,
Parts
List
6-4
6-3
Model 1788
Battery Pack,
Parts
List
6-8
6-4
Display Board, Parts
List
6-9
lit
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