Tuda logbooks General E1104 ISACII E1195 E1103 E1147 S1287 S1203 S1233 S1284 S1447 23Na(a,p) S1540 S1381  S1847 Catania

S1287

Fields marked with * are required Entry time: Sat May 7 17:29:13 2011 Author*: Type: - please select - Routine Other Category: - please select - General Other Subject: <p>Attached plot shows rate of pressure increase in ~2l volume upstream of TUDA with Ni window #2 installed on reentrant flange. Comparison between</p> <p>a)pumping out TUDA and 2l volume, and</p> <p>b) filling TUDA with ~340mbar of He and pumping out 2l volume.</p> <p>In both cases, 2l volume isolated from pumps at start.</p> <p>&nbsp;</p> <p>Gradients are comparible, hence no detectable He leak through window.</p> <p>&nbsp;</p> <p>Will repeat with other windows and blank flange tomorrow.</p> Encoding: HTML   ELCode   plain   Suppress Email notification          Resubmit as new entry Attachment 1:        window2-leaktest.png  Original size: 677x404 Attachment 2:

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