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: Thu 10 April 2025   [46% He AV600125 litersQuench:21 April 2025 ]
[28% He AC200-3136 liters Quench:26 May 2025 ]
[29% He AM30029 liters Quench:30 May 2025 ]
[50% He DRX50021 liters Quench:26 June 2025 ]
[68% He AV40035 liters Quench:31 August 2025 ]
[74% He AV300N29 liters Quench:26 January 2026 ]
Order 288 liters of liquid helium[88% He AV30013 liters Quench:8 August 2027 ]

Click on the appropriate icon to view the graph

NMR Center homepage

Spectrometers State

NMR Center statistics page