If there are any problems or questions, notify Greg Labbe as
All helium use must be entered into the helium level
mounted on most transport dewars.
Thumping dewars is no longer necessary.
The "BEGIN TRANSFER" & "END TRANSFER" commands enter data into
Use the "BEGIN TRANSFER" command before setting up the transfer. (At
same time you would normally thump the level.)
Use the "END TRANSFER" command after the transfer has been fully
and the dewar pressure is back to recovery pressure.
The best times for these two data entry commands is just before the
is taken from storage and just before it is returned to storage. If a
is in the lab, it should be in the "transfer" mode.
Use the "READ" command at any time.
Multiple small transfers in close succession can be entered as one
If you forget to "Begin Transfer", before you begin to transfer, do it
as soon as you can thereafter. It is easier for Cryogeics to edit an
entry than to figure out if one existed and to enter it from scratch.
Try to keep each unit plugged into the "CRYONET" at all times. (
8:30 and 9:30 am this is very important.)
Complete HLD Instruction
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