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Message ID: 292     Entry time: Fri, 26.10.2018 16:37:58 Author: B. Rumberger, P. Podlaski  Subject: FTPC HV status, November 2018 Neutrino run

FTPC-1 FTPC-2 FTPC-3 Fri, 26.10.2018 16:39:07 8000V/0V/0V 8000V/0V/0V 8000V/0V/0V Ramping drift voltages. (PP) Sat, 27.10.2018 10:40:20 17300V/0V/0V 17300V/0V/0V 17300V/0V/0V Full drift voltages. (PP) Sun, 28.10.2018 12:03:34 17300V/500V/0V 17300V/500V/0V 17300V/500V/0V Ramping wires. (PP) Tue, 30.10.2018 16:00:00 17300V/500V/228V 17300V/500V/228V 17300V/500V/228V Piotr turned on FTPC gating grids. Thanks, Piotr! (BR) Wed, 31.10.2018 16:51:01 17300V/600V/228V 17300V/600V/228V 17300V/600V/228V Bringing sense wires up to 800V for the night! Steps of 100V, 15 minutes between steps. Dark currents: 0.1, 1.0, 0.8 (nA; FTPC1, FTPC2, FTPC3). (BR) Wed, 31.10.2018 17:06:22 17300V/700V/228V 17300V/700V/228V 17300V/700V/228V Sense wires to 700V. Dark currents immediately after ramping: 0.1, 1.4, 1.0 (nA; FTPC1, FTPC2, FTPC3). Dark currents after 5 minutes: 0.0, 1.1, 0.8 (nA; FTPC1, FTPC2, FTPC3) (BR) Wed, 31.10.2018 17:39:01 17300V/800V/228V 17300V/800V/228V 17300V/800V/228V Sense wires to 800V. Time to rest! Dark currents immediately after ramping: 0.2, 1.6, 1.1 (nA; FTPC1, FTPC2, FTPC3). Dark currents after 5 minutes: 0.1, 1.4, 0.9 (nA; FTPC1, FTPC2, FTPC3) (BR) Fri, 2.11.2018 03:55:55 17300V/900V/228V 17300V/900V/228V 17300V/900V/228V Sense wires to 900V. Getting ready for pilot data taking. (BR) Fri, 2.11.2018 04:53:34 17300V/1110V/228V 17300V/1110V/228V 17300V/1110V/228V We're back, baby!! Sense wires to nominal voltages! (BR)

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