cnheliumleaktests

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

Auto-calibration provides direct reading of part leakage

Specification example for Automotive Fuel Tank 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 – 70 seconds

Leak testing of fuel tanks can be complex.

Careful attention to the test-part pressure is critical. Damage to the parts’ integrity and part distortion can easily occur without precise pressure monitoring.
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