!!! Too high daily helium loss 4% 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: Mon 15 December 2025   [46% He AV600125 litersQuench:26 December 2025 ]
[31% He AM30028 liters Quench:6 February 2026 ]
[34% He AC200-3133 liters Quench:11 February 2026 ]
[51% He AV40054 liters Quench:4 March 2026 ]
[64% He DRX50015 liters Quench:23 March 2026 ]
[49% He AV300N56 liters Quench:25 May 2026 ]
Order 351 liters of liquid helium[64% He AV30040 liters Quench:14 August 2026 ]

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