10
ZTKS0172 / Z31964 / 04
Introduction
1.6
General View
The heart of the NMR magnet system is a superconducting magnet located inside the
helium vessel, which is filled with liquid helium. The helium vessel is surrounded by a
nitrogen vessel filled with liquid nitrogen. The outer casing, the room temperature (RT)
vessel (2), contains the helium vessel and the nitrogen vessel. The vacuum in the RT
vessel reduces thermal conduction. The RT bore (3) allows the access to the magnetic
center. RT vessel, inner vessels, turrets, flow systems and the RT bore together build the
cryostat of the magnet system.
The cryostat is mounted on a magnet stand (1). The isolators in the magnet stand
absorb floor vibrations. Different heights and isolators are available optionally.
The nitrogen turrets (4) connected with the nitrogen flow system (7) and the heat
exchangers (5) are the interface to the nitrogen vessel. The nitrogen fill-in turret is
marked with a green label.
The helium turrets (6, 9) connected with the helium flow system (8) are the interface of
the helium vessel and the magnet coil. The helium fill-in turret (9) is marked with a yellow
label.
The current lead turret (6) is the interface for energizing the magnet coil and for
diagnostic.
Figure 1.1: General view of a magnet system with 2 helium turrets
1 Magnet Stand
2 RT Vessel
3 RT Bore
4 Nitrogen Turrets
5 Heat Exchanger
6 Current Lead Turret
7 Nitrogen Flow System
8 Helium Flow System
9 Helium fill-in Turret with
Helium fill-in port
Содержание 500'89 Ascend Aeon
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Страница 35: ...35 ZTKS0172 Z31964 04 4 Assembling Approved Persons Bruker Service only ...
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Страница 57: ...57 ZTKS0172 Z31964 04 8 Disassembling Approved Persons Bruker Service only ...
Страница 58: ...58 ZTKS0172 Z31964 04 Disassembling ...
Страница 81: ...81 ZTKS0172 Z31964 04 Technical Data MS 500 89 Ascend 9 21 Current Lead Figure 9 12 Current lead 55 pin ...
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Страница 94: ...94 ZTKS0172 Z31964 04 List of Figures ...
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Страница 100: ...Bruker Corporation info bruker com www bruker com Order No Z31964 ...