Differences between revisions 3 and 4
Revision 3 as of 2014-01-14 13:57:06
Size: 1033
Comment:
Revision 4 as of 2014-01-14 13:58:13
Size: 1091
Comment:
Deletions are marked like this. Additions are marked like this.
Line 7: Line 7:
9h30: Reboot of the PC NIKA and change the VNC forwarding on the router.
Line 9: Line 8:
10h: Pumped the trap (J5=46mbar). Pumped the dilution circuit (until Jpi=3e-2mbar). '''9h30: Reboot of the PC NIKA and change the VNC forwarding on the router.
Line 11: Line 10:
11h: Pressions stables. ZERO OF J1 IS -25mbar!!! '''10h:''' Pumped the trap (J5=46mbar). Pumped the dilution circuit (until Jpi=3e-2mbar).
Line 13: Line 12:
12h: Connected the leak detector. Residual pressure in the cryostat 6.6mbar. '''11h:''' Pressions stables. ZERO OF J1 IS -25mbar!!!
Line 15: Line 14:
12h15m: Optical alignment of the cryostat started. '''12h:''' Connected the leak detector. Residual pressure in the cryostat 6.6mbar.
Line 17: Line 16:
12h30m: Impedance 18mbar/min at 3bar. It is maybe less w.r.t. the last run cryo (not clear from the old files). WE '''12h15m:''' Optical alignment of the cryostat started.

'''
12h30m:''' Impedance 18mbar/min at 3bar. It is maybe less w.r.t. the last run cryo (not clear from the old files). WE
Line 20: Line 21:
13h: Leak test: OK, in the 1e-9 range.Pumped ev18 for 15 minutes. It was well empty in any case. REMEMBER NOT TO TOUCH ev18 ANYMORE. '''13h:''' Leak test: OK, in the 1e-9 range.Pumped ev18 for 15 minutes. It was well empty in any case. REMEMBER NOT TO TOUCH ev18 ANYMORE.
Line 22: Line 23:
13h: Optical alignment OK. '''13h:''' Optical alignment OK.
Line 24: Line 25:
14h: GREEN LIGHT for switching on the Pulse Tube. Mixture circulated for two hours at 3bar. '''14h:''' GREEN LIGHT for switching on the Pulse Tube. Mixture circulated for two hours at 3bar.
Line 26: Line 27:
14h:30m: Pulse Tube on with 900mbar. '''14h30m:''' Pulse Tube on with 900mbar.

Back to the NIKA run 7

January 14th 2014: Andrea Catalano come to the 30m to turn on the NIKA cryostat and checking the cool down remotely controlled from Grenoble (Alessandro Monfardini and Martino Calvo).

STATUS

9h30: Reboot of the PC NIKA and change the VNC forwarding on the router.

10h: Pumped the trap (J5=46mbar). Pumped the dilution circuit (until Jpi=3e-2mbar).

11h: Pressions stables. ZERO OF J1 IS -25mbar!!!

12h: Connected the leak detector. Residual pressure in the cryostat 6.6mbar.

12h15m: Optical alignment of the cryostat started.

12h30m: Impedance 18mbar/min at 3bar. It is maybe less w.r.t. the last run cryo (not clear from the old files). WE CONTINUE.

13h: Leak test: OK, in the 1e-9 range.Pumped ev18 for 15 minutes. It was well empty in any case. REMEMBER NOT TO TOUCH ev18 ANYMORE.

13h: Optical alignment OK.

14h: GREEN LIGHT for switching on the Pulse Tube. Mixture circulated for two hours at 3bar.

14h30m: Pulse Tube on with 900mbar.

DailyReports7 (last edited 2014-01-27 23:50:10 by NikaBolometer)