• Object ID: 00000018WIA30572870GYZ
  • Topic ID: id_40026812 Version: 1.10
  • Date: Jul 1, 2022 4:29:10 PM

Check cryogen levels on a system with a magnet monitor unit

About this task

It is very important to check and record the helium level. Sufficient helium is necessary to avoid accidental quench. If the helium falls below the level your service engineer says is acceptable , ), contact a service engineer immediately.

Use this procedure to daily check cryogen levels of a system with a magnet monitor unit.

Step-by-step instructions

  1. Locate the magnet monitor, which is typically in the equipment room. Push the sample button on the magnet monitor unit.

    Result

    An updated reading of the helium level posts.
  2. Record the He Level value when it displays on the monitor.
    • The reading also toggles to the magnet pressure. Monitor any change in pressure. Normal pressure for all magnet types is between 0.9 psi to 4.1 psi.
    • Keep a logbook to record readings daily.
    • It is crucial that cryogenic systems be checked regularly to be sure they are properly functioning.
  3. If the alarm LED is illuminated, contact your service engineer.