2025/01/31 (Friday)
* Lab in-personnel: Zach, Elliott, Luke
| Check Leak detector level today. Yesterday was 1.6e-4 mbar 1/s. Is it a small leak? | |
| Connected Leak detector to IVC. With turbo on IVC line (not yet open to IVC volume), Leak = 3.5 pbar L/s | |
| There is some mixture left in the line, pump it into dump | |
| Checking leak ideas | |
| Adding a little exchange gas to see if we can get to 4K | |
| Leak Detector Level: 1.4e-4 mbar*L/s | |
| Exchange Gas Added: 8.6e-4 mbar | |
| H35 at 5.08 K ~5 minutes after gas exchange | |
| 1e-2 mbar*L/s on the leak checker | |
| Temperatures: H35 4.54 K, Still 6.727 K, 1K pot 5.417 K | |
| 1K pot to 2.039K, was ~1.8 K earlier |