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346285
Ludlum Measurements 346285 Manuals
Manuals and User Guides for Ludlum Measurements 346285. We have
2
Ludlum Measurements 346285 manuals available for free PDF download: Manual
Ludlum Measurements 346285 Manual (24 pages)
SURVEY METER
Brand:
Ludlum Measurements
| Category:
Measuring Instruments
| Size: 7 MB
Table of Contents
Table of Contents
5
1 General
6
2 Specifications
6
3 Description of Controls and Functions
7
4 Operating Procedures
8
5 Calibration
9
Detector Operating Point
9
Internal Detector Calibration
9
External Detector Calibration
9
CPM and Mr/Hr Meterface
10
6 Maintenance
10
7 Theory of Operation
11
Input
11
Amplifier
11
Discriminator
11
Audio
11
Digital Analog Convertor
11
Scale Ranging
11
Meter Drive
12
Meter Compensation
12
Fast/Slow Time Constant
12
Low Voltage Supply
12
Low Voltage Reference
12
High Voltage Supply
12
Parts List
13
Main Circuit Board, Drawing 464 X 633
13
Calibration Board, Drawing 363 X 528
14
Chassis Wiring Diagram, Drawing 363 X 582
14
Drawings and Diagrams
16
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Ludlum Measurements 346285 Manual (23 pages)
SURVEY METER
Brand:
Ludlum Measurements
| Category:
Measuring Instruments
| Size: 5 MB
Table of Contents
Table of Contents
5
1 General
6
2 Specifications
6
3 Description of Controls and Functions
7
4 Operating Procedures
8
5 Calibration
9
Detector Operating Point
9
Calibrating CPM Meter Dial
9
6 Maintenance
10
7 Theory of Operation
11
Input
11
Amplifier
11
Discriminator
11
Audio
11
Digital Analog Convertor
11
Scale Ranging
11
Meter Drive
12
Meter Compensation
12
Fast/Slow Time Constant
12
Low Voltage Supply
12
Low Voltage Reference
12
High Voltage Supply
12
Parts List
13
Model 3-97 Survey Meter
13
Main Circuit Board, Drawing 464 X 633
13
Calibration Board, Drawing 363 X 528
14
Chassis Wiring Diagram, Drawing 363 X 582
14
Drawings and Diagrams
16
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