!!! 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
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 Log files
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Helium refill date: Thu 31 July 2025   [38% He AV40068 litersQuench:4 September 2025 ]
[31% He DRX50030 liters Quench:16 September 2025 ]
[32% He AC200-3134 liters Quench:21 September 2025 ]
[37% He AM30026 liters Quench:6 October 2025 ]
[83% He AV60039 liters Quench:10 April 2026 ]
[69% He AV30034 liters Quench:10 May 2026 ]
Order 278 liters of liquid helium[57% He AV300N47 liters Quench:6 September 2026 ]

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