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
  (text)

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Helium refill date: Mon 14 December 2020   [10% He AC200-3145 litersQuench:29 December 2020 ]
[50% He AM30021 liters Quench:4 March 2021 ]
[88% He AV60028 liters Quench:11 March 2021 ]
[85% He AV40016 liters Quench:20 March 2021 ]
[91% He DRX5004 liters Quench:2 May 2021 ]
[52% He AV30053 liters Quench:24 May 2021 ]
Order 225 liters of liquid helium[47% He AV300N58 liters Quench:31 May 2021 ]

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