!!! Too high daily helium loss 13% at DRX500 !!!


Helium Level and Field Drift

 Spectrometer AC200-31 AC200-33 AM300   AV300    AV400    DRX500    AV600  

 Installation year

1990 1988 1984 2017 2012 1997 2007

 Helium level
  (figure)

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 Field drift
  (figure)

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 X,Y,Z-Shims drift
  (figure)

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 Log files
  (text)

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Helium refill date: Mon 22 July 2019   [-6% He DRX50045 litersQuench:22 July 2019 ]
[88% He AV60028 liters Quench:27 October 2019 ]
[93% He AV4008 liters Quench:2 November 2019 ]
[78% He AC200-3111 liters Quench:23 November 2019 ]
[76% He AM30010 liters Quench:28 November 2019 ]
[73% He AV30030 liters Quench:25 February 2020 ]
Order 137 liters of liquid helium[95% He AC200-335 liters Quench:4 October 2020 ]

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