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2019/09/26 (Thursday)

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Status: Leak checked yesterday, seems to be coming from somewhere outside the fridge lines. Pumped mix out of lines, preparing to warm up, waiting for MB boil off
1145 MC(Cernox)/Tower/Sorb = 4.27/4.26/4.93 K, G1(fridge) = 2.0 mbar, 1K Pot = 4.93 K / 0.12 mbar
1150 Turbo on IVC = 250 nbar.
1150 Turn on Leak detector, going to check IVC rate, with fridge pumped out again (mostly for practice).
1200 Turbo valved out, leak rate IVC = 3.0e-2 mbarL/s
1202 Still seem to have a leak problem, turn off leak detector and reopen turbo valve.
1355 MB = 1.7%

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