!!! 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: Thu 11 December 2025   [46% He AV600125 litersQuench:21 December 2025 ]
[37% He AC200-3132 liters Quench:13 February 2026 ]
[37% He AM30026 liters Quench:19 February 2026 ]
[52% He AV40053 liters Quench:8 March 2026 ]
[61% He DRX50017 liters Quench:15 March 2026 ]
[50% He AV300N55 liters Quench:24 May 2026 ]
Order 345 liters of liquid helium[66% He AV30037 liters Quench:15 September 2026 ]

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