Leave main bath at 1 atm as much as possible. If main bath is at vacuum and OVC vacuum fails the cans will collapse (bad!). Do this also when changing pumps, etc on OVC.
Cooling to 77K.
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Cooling to 4K.
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Cooling to Base.
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Loading and unloading the fridge into a cold dewar
Getting the fridge out of a cold dewar.
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Putting the fridge back into a cold dewar.
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Temperature control ranges
Base
Use fridge as usual.
Base - 800mK
Use fridge with mixing chamber heater.
Remember to increase the
Need to add instructions on how to set the fridge temperature
Need to put in a copy of the fridge temperature vs mixing chamber power graph