!!! Too high daily helium loss 41% 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: Wed 9 April 2025   [46% He AV600125 litersQuench:20 April 2025 ]
[31% He AC200-3135 liters Quench:31 May 2025 ]
[29% He AM30029 liters Quench:31 May 2025 ]
[41% He DRX50025 liters Quench:11 June 2025 ]
[70% He AV40033 liters Quench:3 September 2025 ]
[72% He AV300N31 liters Quench:20 November 2025 ]
Order 307 liters of liquid helium[74% He AV30029 liters Quench:29 November 2025 ]

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