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 14 April 2025   [45% He AV600127 litersQuench:24 April 2025 ]
[25% He AC200-3138 liters Quench:21 May 2025 ]
[32% He AM30028 liters Quench:17 June 2025 ]
[58% He DRX50018 liters Quench:13 July 2025 ]
[69% He AV40034 liters Quench:22 September 2025 ]
[73% He AV30030 liters Quench:2 January 2026 ]
Order 306 liters of liquid helium[72% He AV300N31 liters Quench:7 January 2026 ]

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