2016/05/16 (Monday)
| Status: Fridge warming. All valves closed and pumps off. All mixture has been pumped to dump. LN2 traps at room temperature and pumped out. | |
| 0905 | Tower (Cernox) = 250 K, Sorb >250 K. |
| Resistance from QET biases to ground [kΩ] at |
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|---|---|---|---|---|
| PA | PB | PC | PD | |
| DIB1 | 8.41 | 3.46 | 3.50 | 2.88 |
| DIB2 | 58.7Ω | 2.66 | 3.36 | 3.43 |
| DIB3 | 4.88 | 4.07 | 2.71 | 3.44 |
| DIB2PA QET bias has the lowest resistance to ground now. This was not observed in the measurements done at 9K last week. |
| 1545 | Change LakeShore bridge range/excitation to 20.0 kΩ / 2.00 mV. Now temperature reading a little differently, fell from 270 to 225 K |
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