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Bruker AVANCE User Manual
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Ceiling Height Requirements
34
H157655_1_008
5.1
Helium Transfer Line
Figure5.1: Ceiling Height Requirements
1.
Ceiling height must allow for insertion of helium transfer lines.
2.
Liquid helium dewar.
3.
Ceiling height requirements must be met over this area.
4.
Magnet.
33
35
Table of Contents
Table of Contents
3
Introduction
7
Units Used Within this Manual
7
Table 1.1: Metric to American Conversion Factors
8
Safety
9
Transport and Rigging Safety
9
The Magnetic Field
9
Exclusion Zone
10
Security Zone
10
Figure 2.1: Stronger Stray Fields in Vertical Direction than in Horizontal Direction
10
The 0.5 Mt (5 Gauss) Line
11
Standards on Health and Safety in the Workplace
12
Table 2.3: Example of Maximum Retention Periods
13
Table 2.2: BGV B11 Standards under Special Conditions for Selected Subgroups
13
Table 2.1: BGV B11 Standards for Standard Precautions and Users
13
Ventilation
14
Regular Ventilation
14
Emergency Ventilation
14
Oxygen Level Sensors
15
Safe Handling of Cryogenic Substances
15
What Is a Quench
15
Liquid Helium Refills
16
Earthquake Safety
16
Safety from Nearby Construction
17
Country-Specific Safety Regulations
17
Emergency Planning
17
Fire Department Notification
18
System Components
19
Superconducting Magnet Components
19
Console and Other System Components
20
Figure 3.1: Spectrometer and Magnet Control
20
Cryoprobe System (Optional)
21
Figure 3.2: Cryoprobe System
21
Cryoprobe Prodigy System (Optional)
22
Figure 3.3: Cryoprobe Prodigy with Pump & Control Unit and LM2 Tank
22
Other Optional Components
23
Figure 3.4: Other Options for AVANCE Systems
23
Considerations for Off-Loading on Site
25
Magnet Access and Rigging
25
Considerations for Transport to the NMR Laboratory
26
Transport Dimensions and Weights
26
Magnet Transport Dimensions
26
Table 4.1: Door Dimensions: Standard Bore 54 MM
26
Magnet Stand Transport Dimensions
27
Table 4.2: Door Dimensions: Wide Bore 89 MM
27
Table 4.3: Door Dimensions for Magnet Stand: Standard Bore 54 MM
27
Magnet Transport Weights
28
Table 4.4: Door Dimensions for Magnet Stand: Wide Bore 89 MM
28
Table 4.5: Magnet Transport Weights: Standard Bore 54 MM
28
Table 4.6: Magnet Transport Weights: Wide Bore 89 MM
28
Table 4.7: Door Dimensions for Magnet Room Access: Spectrometers
29
Spectrometer and Accessories Transport Dimensions and Weights
29
Table 4.8: Crate Dimensions and Weights for Accessories
30
Rigging Equipment
31
Figure 4.1: A-Frame Gantry for Lifting the Magnet Inside the Magnet Room
31
Ceiling Height Requirements
33
Helium Transfer Line
34
Figure 5.1: Ceiling Height Requirements
34
Figure 5.2: Helium Transfer Lines
35
Table 5.1: Helium Transfer Line Dimensions
35
Minimum Ceiling Height
36
Table 5.2: Minimum Ceiling Height Requirements: Standard Bore 54 MM
37
Table 5.3: Minimum Ceiling Height Requirements: Wide Bore 89 MM
37
Magnetic Stray Fields
39
Table 6.1: Effects of Magnetic Fields on Equipment
39
Horizontal Stray Fields
40
Table 6.2: Horizontal Stray Fields: Standard Bore 54 MM
40
Table 6.3: Horizontal Stray Fields: Wide Bore 89 MM
40
Vertical Stray Fields
41
Table 6.4: Vertical Stray Fields: Standard Bore 54 MM
41
Table 6.5: Vertical Stray Fields: Wide Bore 89 MM
41
Stray Field Plots
42
Figure 6.1: Example of a Stray Field Plot
42
Environment and Site Survey Measurement
43
Vibrations
43
Figure 7.1: Threshhold Values of Floor Acceleration
44
General Vibration Guidelines
44
Integrated Isolator Options
44
Table 7.1: Application and Interpretation of the Generic Vibration Criterion (VC) Curves
45
Measuring Floor Vibrations
46
Bruker NMR Floor Vibration Guidelines
46
Figure 7.2: Threshold Values of Floor Acceleration: Tolerance Level for EMI Dampers
46
Table 7.2: EMI Damping System (Elastomeric Isolators)
46
Figure 7.3: Example of the Bruker Tolerance Level for Elastomer Dampers. Resolution <0.125
47
Figure 7.4: Elastomer Dampers
47
Floor Vibration Guidelines: Bruker Nano-C and Nano-D
48
Figure 7.5: Example of the Bruker Tolerance Level for ADI Dampers. Resolution <0.125 Hz
48
Table 7.3: ADI Damping System (Elastomeric Isolators)
48
Figure 7.7: Tolerance Level Nano-C for API Dampers
49
Figure 7.6: ADI Dampers
49
Floor Vibration Guidelines: Bruker Nano-C API Damping System
49
Figure 7.8: Example of the Bruker Tolerance Level for API Dampers. Resolution <0.125 Hz
50
Figure 7.9: Schematic Drawing of an API Type Damping System
50
Table 7.4: Tolerance Level for API Damping System
50
Magnetic Environment
51
Guidelines for Static Objects
51
Guidelines for Moving Objects
51
Table 7.5: Guidelines for Static Magnetic Objects
51
Table 7.6: Guidelines for Moveable Magnetic Objects
51
Electromagnetic Interference
52
Types of EMF Interference
52
DC EMF Interference
52
Reducing DC Interference
53
Measuring DC Fluctuating Fields
53
Guidelines for DC Interference
53
AC EMF Interference
54
Measuring AC EMF Interferences
54
Guidelines for AC EMF Interference
54
Reducing AC EMF Interference
55
HF Interference
55
Measuring HF Fluctuating Fields
55
Figure 7.10: Specification Framework with the Magnetic Field Represented as 0 to Peak Values
55
Most Commonly Studied Nuclei
56
Guidelines for HF Interference
56
Reducing HF Interference
56
Table 7.7: List of most Commonly Studied Nuclei and Corresponding Resonance Frequencies
56
Utility Requirements
57
Electrical Power Requirements
57
Table 8.1: Requirements of Basic System (2 Channels)
58
Telecommunication
59
Compressed Gas
59
General Requirements
59
Gas Supply
59
Other Specifications
60
Table 8.2: Pressure and Flow Requirements
60
Table 8.3: VT Nitrogen Gas Quality (500 Mhz and Above)
60
Compressed Air System
61
Figure 8.1: Example of a Typical Dryer/Filter System Setup
61
Air Compressors
62
Dryers
63
Filters
64
Cooling Water
64
Lighting
65
HVAC (Heating Ventilation Air Conditioning)
65
Table 8.4: Maximum Humidity in the NMR Laboratory
66
Heat Dissipation into the Room
67
System Stability
67
Table 8.5: Heat Dissipation into the Room by Typical AVANCE Systems
67
Table 8.7: Total Gas Volume and Maximum He Gas Flow: Wide Bore 89 MM
68
Table 8.6: Total Gas Volume and Maximum He Gas Flow: Standard Bore 54 MM
68
Emergency Ventilation During Installation and Quenches
68
Emergency Exhaust Solutions
69
Figure 8.2: Emergency Quench Pipes
70
Fire Detection System and Fire Extinguishers
71
Floor Plan
73
Magnet Location
73
Figure 9.1: Top View of an Ascend Magnet
73
Dimensions and Mass of Equipment
74
Floor Load
74
Table 9.1: Dimensions and Weights of NMR Equipment
74
Figure 9.2: Magnet Dimensions
75
Table 9.2: Magnet Dimensions and Weight: Standard Bore 54 MM
75
Table 9.3: Magnet Dimensions and Weight: Wide Bore 89 MM
76
Magnet Pits
76
Floor Types
76
Magnet Platform
77
Helium Flex Lines
77
Figure 9.3: Example of a Simple Magnet Platform
77
Maximum Field Strengths for NMR Equipment
78
Cabinet Position
78
Worktable Position
78
Table 9.4: Maximum Field Strength for NMR Equipment
78
Service Access Requirements
79
Layout Examples
80
Figure 9.4: Ascend 400 Layout Example
80
Figure 9.5: Top View of the Ascend 400 Magnet
81
Cryoprobe and Other Accessories
83
Figure 10.1: Cryoprobe System Overview
84
Cryocooling Unit
85
Helium Compressors
85
Available Models
85
Table 10.1: Cryocooling Unit Specifications
85
Helium Compressor - Indoor Water Cooled
86
Figure 10.2: Admissible Ranges for the Temperature and Flow of the Cooling Water
86
Figure 10.3: Cooling Water Typical Flow Characteristics
86
Figure 10.4: Helium Compressor - Indoor Water Cooled
87
Figure 10.6: Helium Compressor - Outdoor Air Cooled
88
Figure 10.5: Helium Compressor - Indoor Air Cooled
88
Helium Compressor - Outdoor Air Cooled
88
Helium Compressor - Indoor Air Cooled
88
Space Requirements and Specifications
89
Indoor Helium Compressors
89
Outdoor Helium Compressors
90
Helium Cylinders
91
Summary of Cryoprobe Options
91
Cryoprobe Prodigy System (Optional)
93
Figure 10.7: Cryoprobe Prodigy and Control Unit
93
Cryofit
95
Introduction
95
Installation Requirements
95
Accessibility
97
Overview
97
11 Installation
97
Installation Requirements Checklist
98
Installation Procedure
98
Magnet Assembly
98
Magnet Evacuation and Flushing with Nitrogen Gas
99
Cooling the Magnet to Liquid Nitrogen Temperature
99
Cooling the Magnet to Liquid Helium Temperatures
99
Charging the Magnet
99
12 Contact
101
List of Figures
103
List of Tables
105
Index
107
5
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Bruker AVANCE Specifications
General
Brand
Bruker
Model
AVANCE
Category
Laboratory Equipment
Language
English
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