04/12/2018 Fridge Cooldown

The fridge was cool-down starting from room temperature on April 12. The steps that day can be summarized as:

The table's caption
Time	Process	Comment
10:30 am - 2 pm	Cooling down the separator	Both needle valves closed and Separator pump flow constant at ~ 5 slm
2 pm - 5 pm	Nose cooldown to 1.2 K.	The needle valves were opened (both). The roots were on When the temperature in the nose decrease bellow 4 K, the bypass valve was closed and the heat exchanger was opened slightly.
5 pm - 10 pm	Thermal equilibrium conditions ~1.9 K.	The bypass valve was closed and the heat exchanger was opened slightly. The roots were off and a secondary small roughing pump was pumping the cryostat space.

04/10/2018 Magnet Precool with LN2