BERTHOLD TECHNOLOGIES LB 124 Scint Series - Default Chapter; Table of Contents

LB 124 Scint Contents
I
Contents
HOW TO WORK WITH THIS MANUAL.....................................................................III
SAFETY INSTRUCTIONS......................................................................................... IV
1. THE PRINCIPLE OF OPERATION OF THE LB 124 SCINT .........................1
1.1 Overview .........................................................................................................1
1.2 The Principle of Operation of Scintillation Counters .......................................2
1.3 What’s Being Measured?................................................................................3
1.4 Measurement Modes ......................................................................................5
2. SYSTEM DESCRIPTION................................................................................7
2.1 Housing with Electronic System......................................................................7
2.2 Operating and Display Elements ....................................................................9
2.2.1 Design of the Display ......................................................................................9
2.2.2
Function Keys ...............................................................................................10
2.2.3 Alerts .............................................................................................................10
2.3 Scintillation Counter ......................................................................................11
2.4 Power Supply ................................................................................................12
2.4.1 Batteries ........................................................................................................12
2.4.2 Rechargeable Batteries and Power Supply Unit...........................................13
2.4.3 Power Supply of the Photomultiplier (PM) ....................................................13
2.4.4 Power Supply and Program Memory ............................................................13
2.5 Data Interface................................................................................................14
2.6 Equipment Delivered.....................................................................................14
3. GETTING STARTED ....................................................................................15
3.1 Connecting the Device..................................................................................15
3.2 The First Control Measurement ....................................................................16
3.3 Setting Basic Parameters .............................................................................16
3.4 Possible Errors During Start-Up....................................................................18
4. SOFTWARE DESIGN AND OPERATION ...................................................19
4.1 Software Structure ........................................................................................19
4.2 Measurement Menu Display .........................................................................20
4.3 Key Functions ...............................................................................................22
4.3.1 Push Buttons.................................................................................................22
4.3.2 Softkeys.........................................................................................................23
4.4 Operation ......................................................................................................24
4.4.1 Selecting Menus and Options .......................................................................24
4.4.2 Editing: Entering Numbers and Letters.........................................................24
4.4.3 Selecting Items from a List............................................................................25
4.4.4 How to Switch to the System Menu? ............................................................26
4.4.5 LED Indicators...............................................................................................26
5. CONTAMINATION MEASUREMENTS........................................................27
5.1 Contamination Measurement Requirements ................................................28
5.1.1 Performance Check ......................................................................................28
5.1.2 Measuring and Storing the Background .......................................................29
5.1.3 Creating the Small Nuclide Table .................................................................32
5.2 Explanations of the Different Measurement Modes......................................36
5.3 Accuracy of the Display in Bq/cm² ................................................................37
5.4
Exceeding of Threshold Values ....................................................................38