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 25 September 2017   [12% He AC200-3392 litersQuench:26 September 2017 ]
[71% He AV60067 liters Quench:11 November 2017 ]
[42% He AM30024 liters Quench:27 November 2017 ]
[64% He DRX50015 liters Quench:6 January 2018 ]
[92% He AC200-314 liters Quench:18 February 2018 ]
[84% He AV40018 liters Quench:7 May 2018 ]
Order 228 liters of liquid helium[80% He AV3008 liters Quench:30 May 2018 ]

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