Table of Contents
Mini-Switch LB 471
5.1.3 Temporary Storage of Sources 46
5.1.4 Installation Site 46
5.1.5 Unpacking and Cleaning System Parts 46
5.2 Installing the Detector 47
5.2.1 Fastening Clamps for GM Detectors and NaI Counters 48
5.2.2 Stainless Steel Detector Holder (Alternative) 48
5.2.3 Installation of the GM Detector 49
5.2.4 Installation of the GM Detector 51
5.2.5 Installation of Super-Sens with Axial Irradiation 54
5.2.6 Installation of Super-Sens with Radial Irradiation 56
Chapter 6. Water Cooling 59
6.1 Subsequent Installation of Water Cooling (Option) 61
6.1.1 Water Cooling for NaI Detector with Collimator 62
6.1.2 Water Cooling for NaI Detector with Collimator 64
6.1.3 Water Cooling for GM Detector 65
6.2 Amount of Cooling Water Required 66
Chapter 7. Shielding Installation 67
7.1 General Installation Instructions 67
7.2 Installation Proposal for Shielding 68
7.3 Pneumatic Shielding Shutter (Option) 70
Chapter 8. Electrical Installation 71
8.1 Connecting Evaluation Unit and Detector 72
8.1.1 Pin Assignment of Terminal Block 73
8.1.2 Installing NaI Detector or Super-Sens 74
8.1.3 Installing the GM Detector 75
8.2 Digital In-/Outputs 77
8.2.1 Relays 77
8.2.2 Digital Input 77
8.3 Connecting the Evaluation Unit to Power 78
Chapter 9. Maintenance 79
9.1 Malfunctions 79
9.2 Replacing Fuses 79
9.3 Replacing the Evaluation Unit 80
9.4 Repairing the Detector 80
9.4.1 Dismantling the NaI Detector 81
9.4.2 Checking the Crystal-Multiplier Combination 84
9.4.3 Assembly of Crystal-Multiplier Combination 85
9.4.4 Plateau Measurement 86
9.4.5 Dismantling the GM Detector 87
9.5 Replacing the Source 88
9.5.1 Replacing the Source 90
9.6 Customer’s Service 92
9.6.1 Sending in the Electronics 93
9.6.2 Sending in Source and Shielding 94
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