!!! Too high daily helium loss 5% at DRX500 !!!


Helium Level and Field Drift

 Spectrometer AC200-31 AM300   AV300    AV300N    AV400    DRX500    AV600  

 Installation year

 1990 1984 2017 2020 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
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Helium refill date: Fri 3 April 2026   [46% He AV600125 litersQuench:12 April 2026 ]
[32% He AC200-3134 liters Quench:28 May 2026 ]
[62% He DRX50016 liters Quench:7 July 2026 ]
[71% He AV40032 liters Quench:11 September 2026 ]
[93% He AM3003 liters Quench:17 September 2026 ]
[70% He AV30033 liters Quench:19 December 2026 ]
Order 277 liters of liquid helium[69% He AV300N34 liters Quench:20 December 2026 ]

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