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201//10/23

1500 IVC pressure 3E-5 mbar. Warm up leak checker.
1600 Filament on leak checker faulty: won't turn on. It might have burned out. Will talk to Jon on Monday. Continue without leak check and hope for the best.
Raise dewar.
1750 Pump and flush dewar with He-4 gas.
Evacuate 1 K pot.
Fill IVC with 4.6 mbar N2 exchange gas.
Start liquid nitrogen transfer.
1838 Filled N2 cold trap. Started cryocleaning mixture. V6=14.1%
2025 Nitrogen liquid level meter resistance 1.32 kΩ. Nitrogen transfer complete. Attach ping-pong ball.