!!! Too high daily helium loss 13% at AC200-33 !!!


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 5 September 2017   [13% He DRX50037 litersQuench:7 September 2017 ]
[18% He AC200-3141 liters Quench:4 October 2017 ]
[83% He AV40019 liters Quench:2 December 2017 ]
[84% He AV60037 liters Quench:2 December 2017 ]
[55% He AM30019 liters Quench:13 December 2017 ]
[78% He AC200-3323 liters Quench:3 January 2018 ]
Order 182 liters of liquid helium[85% He AV3006 liters Quench:28 May 2018 ]

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