LUDLUM 177-84-1 Manuals

LUDLUM 177-84-1 Manuals

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

LUDLUM 177-84-1 Manual

LUDLUM 177-84-1 Manual (45 pages)

ALPHA/BETA RATEMETER

Brand: LUDLUM | Category: Measuring Instruments | Size: 3 MB

Table of Contents

Table of Contents
9
Introduction
11
Specifications
13
Description of Controls and Functions
15
Front Panel
15
Rear Panel
16
Internal Controls
16
Safety Considerations and Maintenance
19
Environtmental Conditions for Normal Use
19
Cleaning Instructions and Precautions
19
Replacement of Fuses
20
Maintenance
20
Instrument Return for Repair/Calibration
20
Battery Replacement
21
Electrical Safety Precautions
21
Operating Procedures
22
Theory of Operation
23
Detector Input/Amplifier
23
Alpha/Beta Discriminator
23
Alpha/Beta Discriminator Logic Circuit
24
Low Voltage Supply
24
High Voltage Supply
24
Detector Overload
24
Meter Drive
25
Microprocessor
25
Audio
25
Recycling
26
Parts List
27
Main Board (Drawing 347 X 600)
27
Front Panel Board, Drawing 347 X 244
30
Chassis Wiring Diagram, Drawing 347 X 243
31
Appendix
32
Appendix 1: Checkout Procedure
32
Appendix 2: Model 177-84 Mode Switch Addition
34
Appendix 3: Model 4902 Specifications
35
Drawings and Diagrams
36

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