LUDLUM 2401-EC User Manual page 5

Introduction
Getting Started
Battery Installation
Battery Test
Instrument Test
Operational Check
Specifications
Identification of Controls and Functions
Safety Considerations and Maintenance
Environmental Conditions for Normal Use
Warning Markings and Symbols
Mica Window Precaution
Cleaning and Maintenance Precautions
Maintenance
Recalibration
Slide Switches
Radiation Basics
Radiation and Life
The Unstable Atom
Radioactive Decay
Ionizing Radiation
Measuring Ionizing Radiation
What are the Health Risks from Ionizing Radiation?
How Much Ionizing Radiation is Dangerous?
Background Radiation
Manmade Radiation
Protection from Radiation
Standards and Regulation
Who is in Charge?
Ludlum Measurements, Inc.
Table of Contents
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March 2015