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: Wed 25 October 2017   [12% He AC200-3392 litersQuench:26 October 2017 ]
[56% He AV600102 liters Quench:21 November 2017 ]
[27% He AM30030 liters Quench:12 December 2017 ]
[73% He AC200-3114 liters Quench:26 February 2018 ]
[52% He DRX50021 liters Quench:28 February 2018 ]
[76% He AV40026 liters Quench:25 April 2018 ]
Order 296 liters of liquid helium[72% He AV30011 liters Quench:25 July 2018 ]

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