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 5 December 2025   [46% He AV600125 litersQuench:15 December 2025 ]
[36% He AM30026 liters Quench:4 February 2026 ]
[42% He AC200-3129 liters Quench:18 February 2026 ]
[53% He AV40052 liters Quench:7 March 2026 ]
[62% He DRX50016 liters Quench:10 March 2026 ]
[50% He AV300N55 liters Quench:16 May 2026 ]
Order 339 liters of liquid helium[67% He AV30036 liters Quench:6 September 2026 ]

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