First Cooldown Cooling from RT to 77K. * Dripper should be out of the transfer port on the cryostat and N/V shut. This port is used to put LN in the main bat...
K400FridgeSOPCrash The fridge has crashed. If you are reading this for the first time and freaking out, open 9 and let the mixture into the dumps, take a deep bre...
K400FridgeSOPCryopump Procedure for removing mash from the 3He circuit with a cryopump for maintenance on cabinet valves, 3He pump, etc. This procedure assumes ...
K400FridgeSOPRemoval Removing the fridge from the dewar 1. Make the sample safe * Ground all gates, disconnect device, ground ohmics, Field @ 0T, RuOx off. ...
K400FridgeSOPRestarting Restarting the fridge 1. Stop pumping lines and IVC * Seal IVC at top of fridge, turn of turbo pump and disconnect. * Stop pumping...