# Friday 8th June 2012 # 2:18PM # Recorded manually # Testing how the emission current varies with time. # Filament has already been on for 20 minutes # Chamber Pressure = 3.67e-7 mbar # Filament Current = 1.243 A # Filament Voltage = 1.49 V # Start at 2:22PM # Initial_Energy (V) Time (s) Current (uA) 10 0 89.4 10 20 88.5 10 40 88.2 10 60 87.9 10 80 87.9 10 100 87.8 10 120 87.9 # (About 20 seconds spent adjusting voltage) 20 0 265 20 20 264 20 40 263 20 60 264 20 80 264 20 100 264 20 120 264 30 0 478 30 20 483 30 40 483 30 60 484 30 80 484 30 100 485 30 120 485 20 0 263 20 20 265 20 40 266 20 60 267 20 80 268 20 100 268 20 120 268 10 0 78 10 20 83 10 40 85 10 60 87 10 80 88 10 100 89 10 120 90 #Finish at 2:34PM # END OF FILE