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Title: Leak checker data logging system

A portable, high speed, computer-based data logging system for field testing systems or components located some distance apart employs a plurality of spaced mass spectrometers and is particularly adapted for monitoring the vacuum integrity of a long string of a superconducting magnets such as used in high energy particle accelerators. The system provides precise tracking of a gas such as helium through the magnet string when the helium is released into the vacuum by monitoring the spaced mass spectrometers allowing for control, display and storage of various parameters involved with leak detection and localization. A system user can observe the flow of helium through the magnet string on a real-time basis hour the exact moment of opening of the helium input valve. Graph reading can be normalized to compensate for magnet sections that deplete vacuum faster than other sections between testing to permit repetitive testing of vacuum integrity in reduced time.
Inventors:
 [1];  [2]
  1. (Arlington, TX)
  2. (Waterman, IL)
Issue Date:
OSTI Identifier:
870587
Assignee:
United States of America as represented by United States (Washington, DC) FNAL
Patent Number(s):
US 5551285
Contract Number:
AC35-89ER40486
Research Org:
UNIVERSITIES RESEARCH ASSN
Country of Publication:
United States
Language:
English
Subject:
leak; checker; data; logging; portable; speed; computer-based; field; testing; systems; components; located; distance; apart; employs; plurality; spaced; mass; spectrometers; particularly; adapted; monitoring; vacuum; integrity; string; superconducting; magnets; energy; particle; accelerators; provides; precise; tracking; gas; helium; magnet; released; allowing; control; display; storage; various; parameters; involved; detection; localization; user; observe; flow; real-time; basis; hour; exact; moment; input; valve; graph; reading; normalized; compensate; sections; deplete; faster; permit; repetitive; reduced; time; real-time basis; particle accelerators; leak detection; particle accelerator; superconducting magnet; mass spectrometers; particularly adapted; mass spectrometer; superconducting magnets; energy particle; distance apart; components located; input valve; time basis; particle accelera; data logging; /73/340/

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