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 29 July 2025   [38% He AV40068 litersQuench:1 September 2025 ]
[20% He AC200-3140 liters Quench:23 August 2025 ]
[21% He AM30033 liters Quench:26 August 2025 ]
[47% He DRX50023 liters Quench:9 October 2025 ]
[81% He AV60044 liters Quench:26 March 2026 ]
[68% He AV30035 liters Quench:25 April 2026 ]
Order 293 liters of liquid helium[55% He AV300N50 liters Quench:24 August 2026 ]

Click on the appropriate icon to view the graph

NMR Center homepage

Spectrometers State

NMR Center statistics page