2012/07/02
| 1032 | Filled LN2 cold trap. |
|---|---|
| 1341 | Finally able to do a leak rate test. Background leak rate for IVC: 6.8E-9 mbar l/sec. |
| Performed helium spray test on the top 3 flanges at 123 K (mixing chamber thermometer). No gross leak was detected. | |
| 1419 | Filled IVC with 12 mbar of N2 gas to help warm it up. |