400/54 Premium Shielded NMR Magnet System Product Overview 1
Contents
1 Introduction
Safety Warnings 6
Compliance Notice 8
Contact Information 9
Europe 9
USA 9
Agilent website (all countries) 9
Important Notice 10
Disclaimer 10
2 Installation and Operation Safety
Introduction 12
Nature of the Magnetic Field 13
Hazards Presented by the Magnetic Field 14
Magnetic Field Safety Requirements 15
Exclusion Zone (5-gauss line) 15
Magnetic Attraction Zone 16
Occupational exposure to magnetic fields 16
Nature of Liquid Cryogens 17
Hazards Presented by Cryogens 18
Siting Requirements 20
Vents or quench ducts 20
Adequate ventilation during magnet installation 21
Oxygen monitor 21
Routine maintenance involving transfer of cryogens 22
Advice 22
Electrical Safety 23
Safe Access When Working at Height 24
Considerations for the Outbreak of Fire 25
General Safety — Potential Hazards 27
Handling cryogens (liquid helium and liquid nitrogen) 27
Vacuum hazards 27
Magnetic field 28
Air quality 28
System mechanical stability 29
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