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 22 December 2025   [45% He AV600139 litersQuench:1 January 2026 ]
[22% He AM30032 liters Quench:7 February 2026 ]
[25% He AC200-3138 liters Quench:12 February 2026 ]
[48% He AV40057 liters Quench:11 March 2026 ]
[64% He DRX50015 liters Quench:9 April 2026 ]
[46% He AV300N59 liters Quench:13 June 2026 ]
Order 384 liters of liquid helium[60% He AV30044 liters Quench:3 August 2026 ]

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