Contents
H157655_1_008
iii
Contents
1 Introduction.........................................................................................................................................7
1.1 Units Used Within This Manual...........................................................................................7
2 Safety...................................................................................................................................................9
2.1 Transport and Rigging Safety .............................................................................................9
2.2 The Magnetic Field .............................................................................................................9
2.2.1 Exclusion Zone .................................................................................................................10
2.2.2 Security Zone....................................................................................................................10
2.2.3 The 0.5 mT (5 Gauss) Line ...............................................................................................11
2.2.4 Standards on Health and Safety in the Workplace ...........................................................12
2.3 Ventilation .........................................................................................................................14
2.3.1 Regular Ventilation............................................................................................................14
2.3.2 Emergency Ventilation ......................................................................................................14
2.3.3 Oxygen Level Sensors......................................................................................................15
2.4 Safe Handling of Cryogenic Substances ..........................................................................15
2.4.1 What is a Quench .............................................................................................................15
2.4.2 Liquid Helium Refills .........................................................................................................16
2.5 Earthquake Safety ............................................................................................................16
2.6 Safety from Nearby Construction......................................................................................17
2.7 Country-Specific Safety Regulations ................................................................................17
2.8 Emergency Planning.........................................................................................................17
2.8.1 Fire Department Notification .............................................................................................18
3 System Components........................................................................................................................19
3.1 Superconducting Magnet Components.............................................................................19
3.2 Console and Other System Components .........................................................................20
3.3 CryoProbe System (Optional) ...........................................................................................21
3.4 CryoProbe Prodigy System (Optional)..............................................................................22
3.5 Other Optional Components .............................................................................................23
4 Magnet Access and Rigging............................................................................................................25
4.1 Considerations for Off-loading on Site ..............................................................................25
4.2 Considerations for Transport to the NMR laboratory ........................................................26
4.3 Transport Dimensions and Weights..................................................................................26
4.3.1 Magnet Transport Dimensions..........................................................................................26
4.3.2 Magnet Stand Transport Dimensions ...............................................................................27
4.3.3 Magnet Transport Weights................................................................................................28
4.3.4 Spectrometer and Accessories Transport Dimensions and Weights................................29
4.4 Rigging Equipment............................................................................................................31
5 Ceiling Height Requirements ..........................................................................................................33
5.1 Helium Transfer Line.........................................................................................................34
5.2 Minimum Ceiling Height ....................................................................................................36
6 Magnetic Stray Fields.......................................................................................................................39
6.1 Horizontal Stray Fields......................................................................................................40