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leakdetector:start [2013/10/11 12:21] – janetleakdetector:start [2020/03/06 09:04] (current) – external edit 127.0.0.1
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   * know the principles of operation thoroughly.   * know the principles of operation thoroughly.
   * be able to draw, from memory, a schematic of the valve system to demonstrate your knowledge (there is a schematic on the LD to help you, but you should know how it.   * be able to draw, from memory, a schematic of the valve system to demonstrate your knowledge (there is a schematic on the LD to help you, but you should know how it.
-  * read the relevant portion of the{{:manuals:varian_938-41_leak_detector.pdf|LD manual}}.  +  * read the relevant portion of the {{:manuals:varian_938-41_leak_detector.pdf|LD manual}}.  
   * use a cart with AIR TIRES to transport the LD to buildings outside Weniger Hall.  The MASC clean room has one - contact Chris Tasker or Rick Presley.   * use a cart with AIR TIRES to transport the LD to buildings outside Weniger Hall.  The MASC clean room has one - contact Chris Tasker or Rick Presley.
   * have had instruction on the use of the LD by a member of the Tate group or an experienced user.   * have had instruction on the use of the LD by a member of the Tate group or an experienced user.
 +  * sign out the LD on the page behind the door, and return the LD promptly.
 +
 +
 +==== Location & miscellaneous ====
 +Weniger 487.  Various adaptors available (RETURN THEM!).  There also is a sniffer probe that allows you to flood the DUT with He and detect from the outside.  We have helium gas, but it's easier if you use your own.
 +
 +{{:leakdetector:varian_leak_detector.jpg?100|Varian Leak Detector}}
 +
 +
 +==== Log (reverse chronological order) ====
 +  * 10/8/13: Screws on filament casing loose from jolting. Chris Reidy took system apart, cleaned filaments, tightened bolts, recalibrated system.  (This is NOT trivial - we don't want to do it again)
   *    * 
-  *  
-===== Location ===== 
-Weniger 487.  There also is a sniffer probe that allows you to flood the DUT with He and detect from the outside. 
  
-{{:leakdetector:varian_leak_detector.jpg|}} 

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