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 4 August 2025   [37% He AV40069 litersQuench:6 September 2025 ]
[21% He AC200-3140 liters Quench:2 September 2025 ]
[22% He AM30032 liters Quench:6 September 2025 ]
[44% He DRX50024 liters Quench:11 October 2025 ]
[80% He AV60046 liters Quench:27 March 2026 ]
[65% He AV30038 liters Quench:30 March 2026 ]
Order 301 liters of liquid helium[53% He AV300N52 liters Quench:18 August 2026 ]

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