Ludlum Measurements 177-84 Manuals

Ludlum Measurements 177-84 Manuals

Manuals and User Guides for Ludlum Measurements 177-84. We have 1 Ludlum Measurements 177-84 manual available for free PDF download: Manual

Ludlum Measurements 177-84 Manual

Ludlum Measurements 177-84 Manual (44 pages)

ALPHA/BETA RATEMETER

Brand: Ludlum Measurements | Category: Measuring Instruments | Size: 2 MB

Table of Contents

Table of Contents
7
Introduction
9
Specifications
11
Description of Controls and Functions
13
Front Panel
13
Rear Panel
14
Internal Controls
14
Safety Considerations and Maintenance
17
Environtmental Conditions for Normal Use
17
Cleaning Instructions and Precautions
17
Replacement of Fuses
18
Maintenance
18
Instrument Return for Repair/Calibration
18
Battery Replacement
19
Electrical Safety Precautions
19
Operating Procedures
20
Theory of Operation
21
Detector Input/Amplifier
21
Alpha/Beta Discriminator
21
Alpha/Beta Discriminator Logic Circuit
22
Low Voltage Supply
22
High Voltage Supply
22
Detector Overload
22
Meter Drive
23
Microprocessor
23
Audio
23
Recycling
24
Parts List
25
Main Board (Drawing 347 X 600)
25
Front Panel Board, Drawing 347 X 244
28
Chassis Wiring Diagram, Drawing 347 X 243
29
Appendix
31
Appendix 1: Checkout Procedure
31
Appendix 2: Model 177-84 Mode Switch Addition
33
Appendix 3: Model 4902 Specifications
34
Drawings and Diagrams
35

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