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2014/05/09

1110 Filled LN2 coldtrap full.
2300 Switched 1 K pot pump with dry scroll pump. Managed to obtain a fairly stable 1 K pot temperature of 1.46 K after a few hours of monitoring the situation. Occasionally, 1 K pot temperature does increase to 1.56 K before dropping again. Tower temperature appears to have stabilised at 75.1 mK. Scroll pump appears to be coping. Leave overnight and see what the situation is like tomorrow.
Commence data acquisition: 6-hour flash followed by two-hour cooldown. Fourteen data series of length 15 minutes to be taken at -/+3.5 V, interspersed by 6-second flash and 20-minute cooldown periods.