AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
ISOLDE
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Entry time:
Fri Mar 28 20:51:43 2025
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<p> <table width="98%" align="center" cellspacing="1" style="border:1px solid #486090;"> <tbody> <tr> <td cellpadding="3px" style="background-color:#486090; font-weidht:bold; color:white;">Quote:</td></tr> <tr> <td cellpadding="10px" style="background-color:#FFFFB0;"><p><strong>Thursday, 7th September:</strong></p> <p>Vaccum after pumping all night preamps off, chiller off</p> <ul> <li>09:37: IMG1 2.3E-5 mbar, Chamber 7.5 E-5 mbar; Julabo off;</li> <li>09:38: IMG1 2.1E-5 mbar; Chamber 6.6E-5 mbar; Julabo 20 Celsius</li> <li>09:41: IMG1 2E-5; Chamber 6.6E-5; Julabo 5 Celsius</li> <li>09:55: IMG1 1.3E-5; Chamber 1.3E-5</li> <li>10:10 IMG1 1.2E-5; Chamber 4.5E-5;</li> </ul> <p>Preamp power ON, Chiller on 5 Celsius</p> <ul> <li>10:25 IMG1 1.3E-5; 5E-5; Thermocoupling Readout 16 Celsius</li> <li>11:20 IMG1 1.5E-5; 6.1E-5 Thermocoupling Readount 19.3</li> <li>13:08 IMG1 1.6E-5; 5.5E-5</li> <li>14:16 IMG1 1.4E-5; 5.1E-5</li> <li>15:40 IMG1 1.4E-5; 4.9E-5</li> <li>17:55 IMG1 1.3E-5; 4.5E-5</li> </ul> <p>Preamp OFF, chiller off</p> <p><strong>8th September</strong></p> <ul> <li>1.2E-5; 3.9E-5</li> </ul> <p>--> Leak test with He, replace target ladder with blank and refit feedtrhrough (upstream detectors), identify some scratches</p> <p>start pumping</p> <ul> <li>23:50 IMG1 2.2E-5; Chamber 9E-5</li> </ul> <p><strong>9th September</strong></p> <ul> <li>08:17 IMG1 1.3E-5; 5.1E-5 mbar</li> </ul> <p>Leak test but no leaks found anywhere now.</p> <p>Chiller on 5 Celsius, preamplifiers ON</p> <ul> <li>10:55 IMG1 9.1E-6; 3.8E-5</li> <li>12:00 IMG1 8.9E-6; 4.0E-5</li> <li>14:50 IMG1 8.1E-6; 3.6E-5</li> </ul> <p>Preamplifiers OFF</p> <ul> <li>15:05 IMG1 6.3E-6; 2.9E-5 (9.8 C)</li> <li>15:12 IMG1 6.1E-1; 2.9E-5 (9.3 C)</li> <li>15:25 IMG1 5.9E-6; 2.8E-5 (9.0 C)</li> </ul> <p>Chiller OFF (not sure when exactly chiller was turned off)</p> <p><strong>Sunday 10/09/2017</strong></p> <ul> <li>22:50 IMG1 8.8E-06; 3.4E-05</li> </ul> <p><strong>Monday 11/09/2017</strong></p> <ul> <li>9:20 IMG1 8.2E-06; 2.7E-05</li> </ul> <p>Leak test on Cooling loop. --> Big leak detected. Open up chamber to replace cooling.</p> <p><strong>Tuesday 12/09/2017</strong></p> <p>Several tests done for cooling, it seems that even the smallest possible cooling loop is leaky.</p> <ul> <li>19:00, close chamber and start pumping</li> <li>19:13 start both turbo pumps at 9.9E-1 mbar</li> <li>19:23 P=2.7E-4 mbar</li> </ul> <p>Note that big Turbopump has been switched to normal start so pumping times not comparable with before. Maximum wattage of pump should be 420 W</p> <p><strong>Wednesday 13/09/2017</strong></p> <ul> <li>9:15 8.5E-6 mbar; 3.1E-5mbar</li> <li>9:30 Cooling ON, switched to -10C</li> <li>10:05 4.4E-6 mbar; 1.7E-5 bar (-9.9C on chiller)</li> <li>10:15 preamps on, -10 C, 4.1E-6; 1.6E-5 mbar</li> <li>10:22 T readout 5.6 C, 4.6E-6; 1.8E-5</li> <li>10:26 T readount 6.2 C; 4.8E-6 mbar, 1.9E-5 mbar</li> <li>10:40 4.9E-6 mbar; 1.9E-5 mbar</li> </ul> <p>Preamps off, cooler off</p> <p>open chamber for detector installation and some checks; close chamber and pump</p> <ul> <li>18:55 7.2E-5; 3.3E-4 mbar</li> <li>20:45 4.4E-5; 1.8E-4 mbar (nopreamp, no chiller)</li> </ul> <p><strong>Thursday, 14 September 2017</strong></p> <ul> <li>9:25 1.1E-5mbar; 4.3E-5 mbar</li> </ul> <p>open chamber to discuss with beam operators</p> <ul> <li>11:05 close chamber start pumping</li> <li>11:20 1.2 mbar, turbo pumps on</li> <li>11:32 4.1E-4 mbar; 1.1E-3 mbar</li> </ul> <p> </p></td> </tr> </tbody> </table> </p><p> </p>
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