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)
He
He
He
He
He
He
He

 Field drift
  (figure)
He
He
He
He
He
He
He

 X,Y,Z-Shims drift
  (figure)
He
He
He
He
He
He
He

 Log files
  (text)
He
He
He
He
He
He
He
Helium refill date: Tue 9 December 2025   [46% He AV600125 litersQuench:20 December 2025 ]
[34% He AM30027 liters Quench:5 February 2026 ]
[41% He DRX50025 liters Quench:10 February 2026 ]
[38% He AC200-3131 liters Quench:12 February 2026 ]
[53% He AV40052 liters Quench:14 March 2026 ]
[46% He AV300N59 liters Quench:6 May 2026 ]
Order 362 liters of liquid helium[61% He AV30043 liters Quench:22 June 2026 ]

Click on the appropriate icon to view the graph

NMR Center homepage

Spectrometers State

NMR Center statistics page