UMN CDMS Wiki archive
start › cdms › k100 › run_diary › 20170821

2017/08/21 (Monday)

Previous Day

Status Fridge at room temperature. Both LN2 traps warm and pumped out. Mixture in dump (LHe cold trap isolated at around 20 K). 1K Pot needle valve open. IVC filled with nitrogen.
1002 MC (Cernox) = 296.7 K
1027 Perform room temperature electrical check. DIB3 LED1 has no V_forward, R_forward/R_reverse = 350 kΩ / 15 MΩ. This is the IR LED sent from Queen's. We were using this to flash alongside the normal LEDs, but didn't pay much attention to it specifically.
1516 Complete shield removal.

Next Day