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Helium Mass Spectrometry Air Tightness Detection System
Compared to differential pressure and water immersion methods used up to now, the helium test method is highly reliable and highly accurate inspections can be made in a short time.
Auto-calibration provides direct reading of part leakage
Integral tooling for product sealing
Stainless steel charge lines
Easy change over with removable fixtures
Enhanced evacuation and vent schemes to improve cycle time
Calibrated gas leaks installed on chamber/s for process checks
Specification example for Automotive Oil cooler Assembly
Leak Rate :1 x 10-6 atm-cc/sec He
Tracer Gas Test Pressure – 1 to 2 psia with a maximum pressure differential of 2 psia
Tracer Gas Concentration – Dynamic calculation based upon actual pre-charge pressures
Leak Detector – LDS3000
Test Method – Hard Vacuum
Machine Cycle – 60 seconds
Hefei Young Vacuum Tech. Co.,Ltd