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: Wed 13 August 2025   [46% He AV600125 litersQuench:23 August 2025 ]
[30% He AC200-3135 liters Quench:7 October 2025 ]
[30% He AM30029 liters Quench:9 October 2025 ]
[56% He DRX50019 liters Quench:8 November 2025 ]
[80% He AV40022 liters Quench:22 February 2026 ]
[79% He AV300N23 liters Quench:10 May 2026 ]
Order 273 liters of liquid helium[82% He AV30020 liters Quench:14 July 2026 ]

Click on the appropriate icon to view the graph

NMR Center homepage

Spectrometers State

NMR Center statistics page