Helium Level and Field Drift

 Spectrometer AC200-31 AM300   AV300    AV300N    AV400    DRX500    AV600  

 Installation year

 1990 1984 2017 2020 2012 1997 2007

 Helium level
  (figure)
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 Field drift
  (figure)
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 X,Y,Z-Shims drift
  (figure)
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 Log files
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Helium refill date: Mon 8 September 2025   [10% He AM30037 litersQuench:25 September 2025 ]
[13% He AC200-3144 liters Quench:1 October 2025 ]
[44% He DRX50024 liters Quench:14 November 2025 ]
[63% He AV60086 liters Quench:8 December 2025 ]
[75% He AV40028 liters Quench:2 March 2026 ]
[73% He AV300N30 liters Quench:15 May 2026 ]
Order 273 liters of liquid helium[78% He AV30024 liters Quench:23 July 2026 ]

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