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12SA
User Manuals: Ludlum Measurements 12SA Survey Meter
Manuals and User Guides for Ludlum Measurements 12SA Survey Meter. We have
1
Ludlum Measurements 12SA Survey Meter manual available for free PDF download: Manual
Ludlum Measurements 12SA Manual (54 pages)
SURVEY METER
Brand:
Ludlum Measurements
| Category:
Measuring Instruments
| Size: 4 MB
Table of Contents
Table of Contents
5
Introduction
7
Getting Started
8
Unpacking and Repacking
8
Battery Installation
8
Battery Test
9
Operational Check
9
Surveying for Radiation
10
Background and Man-Made Radiation
10
Radiation Limits
11
Suggested Survey Technique
11
Range Selector and Actual Measurement
11
False Alarms
12
Specifications
14
Identification of Controls and Functions
16
Safety Considerations
18
Environmental Conditions for Normal Use
18
Warning Markings and Symbols
18
Cleaning and Maintenance Precautions
19
Maintenance
20
Recalibration
20
Batteries
21
Technical Theory of Operation
22
Input
22
Amplifier
22
Discriminator
22
Scale Ranging
22
Digital Analog Converter
22
Audio
23
Meter Drive
23
Meter Compensation
23
Fast/Slow Time Constant
23
Low Voltage Supply
23
Low Voltage Reference
23
High Voltage Supply
24
Alarm
24
Recycling
25
Radiation Basics
26
Radiation and Life
26
The Unstable Atom
27
Radioactive Decay
28
Ionizing Radiation
29
Measuring Ionizing Radiation
30
What Are the Health Risks from Ionizing Radiation
31
How Much Ionizing Radiation Is Dangerous
32
Background Radiation
35
Man-Made Radiation
36
Protection from Radiation
36
Standards and Regulation
37
Who Is in Charge
37
Troubleshooting
38
Troubleshooting Electronics that Utilize a Scintillation Detector
38
Troubleshooting Scintillators
40
Parts List
42
Model 12SA Survey Meter
42
Calibration Board, Drawing 363 × 665
45
Wiring Diagram, Drawing 464
45
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