Helium Level and Field Drift

 Spectrometer AC200-31 AC200-33 AM300   AV300    AV400    DRX500    AV600  

 Installation year

1990 1988 1984 2017 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: Tue 23 October 2018   [46% He AV600125 litersQuench:3 November 2018 ]
[39% He AC200-3131 liters Quench:24 December 2018 ]
[37% He AM30026 liters Quench:25 December 2018 ]
[43% He DRX50024 liters Quench:30 December 2018 ]
[74% He AV40029 liters Quench:14 January 2019 ]
[49% He AV30056 liters Quench:14 April 2019 ]
Order 298 liters of liquid helium[93% He AC200-337 liters Quench:23 December 2019 ]

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