Benefits of VIC mass spectrometer leak detection over other testing techniques.

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Comparison of Major Leak Detection Techniques
Benefits of VIC Mass Spectrometer Leak
Detection Over Other Testing Techniques
 VIC testing is not affected by typical
manufacturing background noise levels
whereas Ultrasonic stability is greatly
changed
 VIC testing non-dependent on operator
judgement whereas Water Immersion
is dependent on operator training and
variance
 VIC testing is unaffected by
temperature changes whereas
Thermoconductivity outputs change
greatly to temperature fluctuations
 VIC testing is tracer gas specific and
unaffected by other gases whereas
Halogen sensors become contaminated
and react to gases in the area
 VIC detection limits not as susceptible
to variations of the cleanliness of the
vacuum system whereas Residual Gas
Analyzers sensitivity ranges are greatly
reduced
Technology Leak Detection Sensitivity Chart
Ultrasonics
Mass Flow, Pressure/Vacuum
Decay
Water Immersion
Thermoconductivitiy, General
Thermoconductivity, Gas Specific
Halogen Detectors
Clam Shell System
Tracer Gas, Production Leak Test
Accumulation System
Tracer Gas, Production Leak Test
Hard Vacuum System
Tracer Gas, Production Leak Test
Residual Gas Analyzers
Atmospheric Testing
Tracer Gas, Mass Spectrometry
Vacuum Testing
Tracer Gas, Mass Spectrometry
-1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12
LEAK RATE SENSITIVITY (std-cc/sec)
VicTorr
MS-Series Leak Detector
MD-490S Accumulation System
MD-490S Clam Shell System
Scepter℠ Hard Vacuum System
MD-490S Leak Detector
Of all instruments used for leak detection, the VIC, LLC tracer gas sensitive mass spectrometer
leak detector is the most sensitive and most accurate device. It is easily calibrated, requires no
operator judgement and its use is non-destructive to the test object.