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: Fri 22 August 2025   [46% He AV600125 litersQuench:2 September 2025 ]
[22% He AC200-3139 liters Quench:29 September 2025 ]
[22% He AM30032 liters Quench:30 September 2025 ]
[66% He DRX50015 liters Quench:2 December 2025 ]
[82% He AV40020 liters Quench:14 March 2026 ]
[80% He AV300N22 liters Quench:30 May 2026 ]
Order 274 liters of liquid helium[81% He AV30021 liters Quench:25 June 2026 ]

Click on the appropriate icon to view the graph

NMR Center homepage

Spectrometers State

NMR Center statistics page