Helium Level and Field Drift

 Spectrometer AC200-31 AC200-33 WM250 AM/AV300   AV400    DRX500    AV600  

 Installation year

1990 1988
1979-2007
1984 2012 1997 2007

 Helium level
  (figure)

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No He meter

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 Field drift
  (figure)

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No SCSM

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 X,Y,Z-Shims drift
  (figure)

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No SCSM

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 Log files
  (text)

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No log file

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Helium refill date: Tue 11 April 2017   [46% He AV600125 litersQuench:20 April 2017 ]
[67% He AC200-3335 liters Quench:12 May 2017 ]
[31% He AC200-3135 liters Quench:25 May 2017 ]
[32% He AM30028 liters Quench:5 June 2017 ]
[45% He DRX50024 liters Quench:21 June 2017 ]
Order 278 liters of liquid helium[72% He AV40031 liters Quench:25 September 2017 ]

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