[Luke, Tyler]
On the 27th Tyler and I ran the RGA leak test again with the electron multiplier on. These were the leaks we measured. The chamber's overall pressure was at ~6e-8 torr.
| Connection |
Leak rate (torr) |
| Tee - RGA |
3.92e-11 (very low) |
| Tee - Cal leak |
4.77e-11 (very low) |
| Tee - ZLR (2.75"-4.5") |
4.97e-11 (very low) |
| ZLR (2.75"-4.5") - Reducing Cross |
2.45e-9 (low) |
| Cross - Elbow |
7.36e-11 (very low) |
| Elbow - Pressure sensor |
2.36e-11 (very low) |
| Cross - Turbo pump (small) |
8.07e-9 (lowish) |
| Cross - Gate valve |
4.02e-11 (very low) |
| Gate valve - Port |
2.27e-9 (low) |
| Port - ZLR (6.0"-8") |
1.11e-9 (low) |
| ZLR (6.0"-8") - Turbo pump (large) |
1.00e-10 (very low) |
| Port - Pressure sensor |
1.05e-10 (very low) |
| Port - Up to air valve |
1.08e-11 (very low) |
| Port - Blank |
5.58e-10 (very low) |
| Port - Feed though port |
1.21e-11 (very low) |
| Lid |
1.11e-11 (very low) |
|