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 21 April 2025   [46% He AV600125 litersQuench:3 May 2025 ]
[28% He AC200-3136 liters Quench:11 June 2025 ]
[30% He AM30029 liters Quench:19 June 2025 ]
[44% He DRX50024 liters Quench:28 June 2025 ]
[65% He AV40038 liters Quench:2 September 2025 ]
[72% He AV300N31 liters Quench:28 January 2026 ]
Order 297 liters of liquid helium[87% He AV30014 liters Quench:10 August 2027 ]

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