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: Fri 28 November 2025   [46% He AV600125 litersQuench:9 December 2025 ]
[35% He DRX50028 liters Quench:21 January 2026 ]
[41% He AM30024 liters Quench:6 February 2026 ]
[42% He AC200-3129 liters Quench:7 February 2026 ]
[58% He AV40046 liters Quench:1 April 2026 ]
[49% He AV300N56 liters Quench:3 May 2026 ]
Order 345 liters of liquid helium[66% He AV30037 liters Quench:3 July 2026 ]

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