17:30

Took a set of IV curves using 0.5V steps from 30-50V and 0.05 steps above 50V.

Curves all look as expected, although reducing the step size makes the breakdown voltage harder to see on the plots.

Will use 0.02V steps in future.

Data can be found on dsproto machine at: /home/dsproto/online/dsproto_sy4527/ivdata_191111

Summary plot attached to this entry.

19:15

Refilled outer dewar for 10 mins