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 10 December 2019   [9% He DRX50039 litersQuench:15 December 2019 ]
[66% He AV60079 liters Quench:24 January 2020 ]
[47% He AC200-3127 liters Quench:10 February 2020 ]
[55% He AM30019 liters Quench:13 March 2020 ]
[59% He AV40045 liters Quench:5 April 2020 ]
Order 235 liters of liquid helium[76% He AV30026 liters Quench:10 August 2020 ]

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