UMN CDMS Wiki archive
start › cdms › k100 › run_diary › 20130318

2013/03/18

0031 Returned cold traps to respective baths.
Open V1 and V6 and gate/ condenser valves to continue pumping on the fridge lines to the dump.
0920 Filled LN2 cold trap.
Fed Cricket 4 pellets.
1120 Start cryocleaning the mixture through the nitrogen cold trap 2.
1400 Pumped mixture to dump.
1540 Begin LHe transfer (5.0%).
1615 End LHe transfer (90.5%).
1650 Isolated the mixture in the dump. Started pumping on the 1K pot. Started the He recovery system.
1720 Opened Gate valve, condenser line speedivalve, cold trap 1 speedivalve, V1, V3, and V13. G1 currently at 56mbar and G2 at 190mbar (beginning condensing process.)
Filled LN2 cold trap.
2052 Closed V3, begin circulating mixture.
2110 Fed Cricket 4 pellets.
2120 Finished automated circulation sequence. G1:84.9, G2:96.1, currently at 89.1mK and falling.