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: Thu 25 October 2018   [46% He AV600125 litersQuench:4 November 2018 ]
[38% He DRX50027 liters Quench:17 December 2018 ]
[38% He AC200-3131 liters Quench:24 December 2018 ]
[36% He AM30026 liters Quench:25 December 2018 ]
[74% He AV40029 liters Quench:15 January 2019 ]
[47% He AV30058 liters Quench:25 March 2019 ]
Order 303 liters of liquid helium[93% He AC200-337 liters Quench:28 December 2019 ]

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