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

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
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

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