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: Wed 10 December 2025   [46% He AV600125 litersQuench:20 December 2025 ]
[37% He AC200-3132 liters Quench:11 February 2026 ]
[36% He AM30026 liters Quench:12 February 2026 ]
[51% He AV40054 liters Quench:26 February 2026 ]
[58% He DRX50018 liters Quench:10 March 2026 ]
[48% He AV300N57 liters Quench:9 May 2026 ]
Order 349 liters of liquid helium[66% He AV30037 liters Quench:28 August 2026 ]

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