2010/02/21

Added 0.22 mBar ⁴He exchange gas before slow transfer. Stop slow transfer at MC T = 10 K and IVC P = 0.025 mBar. After two hours pumping, He level: 5×10^-7 mBarL/s. Start transfer He and continue pumping. The pressure will drop quickly when there is liquid.

http://www.hep.umn.edu/cdms/cdms_restricted/K100/runs/run002/20100222/Slow_Transfer.htm