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 28 July 2025   [38% He AV40068 litersQuench:30 August 2025 ]
[34% He AC200-3133 liters Quench:21 September 2025 ]
[37% He DRX50027 liters Quench:23 September 2025 ]
[39% He AM30025 liters Quench:7 October 2025 ]
[83% He AV60039 liters Quench:9 April 2026 ]
[69% He AV30034 liters Quench:30 April 2026 ]
Order 273 liters of liquid helium[57% He AV300N47 liters Quench:5 September 2026 ]

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