!!! Too high daily helium loss 7% 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: Wed 9 April 2025   [46% He AV600125 litersQuench:20 April 2025 ]
[32% He AC200-3134 liters Quench:2 June 2025 ]
[33% He AM30028 liters Quench:10 June 2025 ]
[62% He DRX50016 liters Quench:14 July 2025 ]
[72% He AV40031 liters Quench:6 October 2025 ]
[76% He AV30026 liters Quench:22 January 2026 ]
Order 288 liters of liquid helium[75% He AV300N28 liters Quench:27 January 2026 ]

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