2
The X Axis 15
The Y Axis 15
Observer USB Meter Screen 15
Enable Alarm 15
Zero 15
Units/Echo Display 15
Averaging Time 15
Chapter 8: Observer USB Calibraon Soware 16
General Discussion of Calibraon 16
Pulse Calibraon 16
Eciency Calibraon 17
Exposure Rate Calibraon 19
Chapter 9: Built in Isotope Eciencies 20
Built in Isotope Eciencies 20
Decay 20
Selecng a Built-In Isotope Eciency 20
Selecng Between DPM and Bq 20
Chapter 10: Troubleshoong 21
Chapter 11: Basics of Taking Measurements 22
How to Detect Background Radiaon 22
How To Survey a Surface 22
How to Perform a General Survey 22
How to Determine Alpha, Beta, or Gamma source. 23
Radiaon Measurement Units 24
Converng CPM to mR/hr 24
Chapter 12: Glossary of Common Terms 25
Appendix A: Technical Specicaons 27
Appendix B: Limited Warranty 28
Calibraon Database Applicaon 29
Contents
Chapter 1: Introducon 3
How The Inspector EXP Detects Radiaon 3
Precauons 3
Chapter 2: Features 4
The LCD Display 4
Indicators 4
The Switches 5
Mode Switch 5
O/On/Audio Switch 5
The Backlight 5
Set Buon 6
+ and - Buons 6
The Detector 6
The Input/Output Ports 6
Chapter 3: Operaon 7
Starng the Inspector EXP 7
Units of Measurement 7
Display Update 7
Maximum level 7
Response Time (Autoaveraging) 7
Autoranging 8
Operang in Dose/Rate Modes 8
Operang in Timer Mode 8
Taking a Timed Count 8
Using Dose/Rate Modes While Timer is On 9
Using The Alert 9
Ulity Menu 10
Opons 10
Seng the Internal Clock 11
Interfacing with an External Device 11
Chapter 4: Common Procedures 11
Establishing the Background Count 11
Environmental Area Monitoring 11
Checking for Surface Contaminaon 12
Chapter 5: Maintenance 12
Calibraon 12
General Maintenance Tips 12
Chapter 6: Basics of Radiaon and Its Measurement 13
Ionizing Radiaon 13
Types of Ionizing Radiaon 13
X-Rays 13
Gamma Rays 13
Beta Radiaon 13
Alpha Parcles 13
Chapter 7: Observer USB Soware 14
Installing the Observer USB Soware 14
Connect to The Inspector EXP 14
Preferences 14
Using the Data Logging Feature 14
Show Grid 15
Observer USB Chart Screen 15
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