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  18   13 Nov 2019 05:32 Xiang XiaoProcedure/OperationCooling SystemAfternoon system monitoring

14:31 TPC pressure 317 mbar, recirculation pressure 276 mbar

15:00 TPC pressure 328 mbar, recirculation pressure 285 mbar

15:31 TPC pressure 348 mbar, recirculation pressure 305 mbar

15:58 TPC pressure 346 mbar, recirculation pressure 297 mbar

16:29 TPC pressure 344 mbar, recirculation pressure 294 mbar

17:01 TPC pressure 359 mbar, recirculation pressure 303 mbar

17:13 Heat gun off, MB off, LED on, Gas bubble exists

17:18 Start refilling condenser

17:32 Stop refilling condenser, TPC pressure 274 mbar, recirculation pressure 260 mbar

18:05 TPC pressure 256 mbar, recirculation pressure 237 mbar

18:13 LED off, MB on

18:30 TPC pressure 257  mbar, recirculation pressure 206 mbar

18:52 TPC pressure 256 mbar, recirculation pressure 257 mbar

 

  19   14 Nov 2019 00:34 E. SanchezProcedure/OperationGeneral 

9:20 TPC pressure  235 mbar recirculation  pressure 235 mbar. Gas pocket on. LED OFF. MB ON.  LAr level  50 cm 

10:20 TPC pressure  240 mbar recirculation 240 mbar

10:34 Heat gun ON

11:10 TPC pressure  375 mbar recirculation 330 mbar

11:17  Heaters OFF

11:19 Heat gun OFF

  20   15 Nov 2019 00:14 Yi WangProcedure/OperationCooling System 

Nov 14, 2019

5:00 pm

Stop fast recirculation, fill open dewar to full

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