2011/03/10
| 1400 | Mill second Schuba extender plug. |
|---|---|
| 2000 | Take apart tower to extract sources from source holder for audit. |
| Try to photograph LEDs while applying a current of 1 μA. Cannot see LEDs glowing, probably due to infrared filter on camera lens. | |
| Perform detector level continuity checks of LED channels on other detectors lying in purge cabinet. |
| Table 1: Detector level continuity checks of LED channels | |||||
|---|---|---|---|---|---|
| Signal | G8 | G9 | S11C | G51 DIB1 | G51 DIB2 |
| LED1 Rforward | 698 kΩ | 749 kΩ | 752 kΩ | 788 kΩ | 793 kΩ |
| LED2 Rforward | 715 kΩ | 745 kΩ | 748 kΩ | 750 kΩ | 792 kΩ |
| LED1 Vforward | 1.062 V | 1.058 V | 1.057 V | 1.063 V | 1.062 V |
| LED2 Vforward | 1.067 V | 1.060 V | 1.058 V | 1.062 V | 1.062 V |
| LED1 Rreverse | 0.2 nS | 0.1 nS | 0.2 nS | 0.2 nS | <0.1 nS |
| LED2 Rreverse | 0.4 nS | 0.1 nS | 0.7 nS | 3.0 nS | <0.1 nS |
| 2100 | Place tower in N2 purge cabinet. |
|---|