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: Mon 22 October 2018   [46% He AV600125 litersQuench:1 November 2018 ]
[38% He AC200-3131 liters Quench:17 December 2018 ]
[40% He DRX50026 liters Quench:17 December 2018 ]
[38% He AM30026 liters Quench:26 December 2018 ]
[75% He AV40028 liters Quench:14 January 2019 ]
[50% He AV30055 liters Quench:14 April 2019 ]
Order 297 liters of liquid helium[94% He AC200-336 liters Quench:27 December 2019 ]

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