Helium Level and Field Drift

 Spectrometer AC200-31 AC200-33 WM250 AM/AV300   DRX500    AV600  

 Installation year

 1990 1988
1979-2007
1984 1997 2007

 Helium level
  (figure)
He
He

No He meter
He
He
He

 Field drift
  (figure)
He
He

No SCSM
He
He
He

 X,Y,Z-Shims drift
  (figure)
He
He

No SCSM
He
He
He

 Log files
  (text)
He
He

No log file
He
He
He
Helium refill date: Mon 5 July 2010   [44% He AV600130 litersQuench:13 July 2010 ]
[29% He AC200-3136 liters Quench:20 August 2010 ]
[30% He DRX50030 liters Quench:22 August 2010 ]
[31% He AM30028 liters Quench:26 August 2010 ]
Order 302 liters of liquid helium[26% He AC200-3378 liters Quench:30 October 2010 ]

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