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Accumulation test

Accumulation test

A leak test procedure in which a pressurized part is placed within a volume and the volume analyzed after a waiting period to determine the presence of trace gas from a leak or leaks in the part. Large parts or systems may be leak tested by enclosing the object or isolating suspected areas with sheet plasic, then probing for the presence of the trace gas. This procedure is sometimes known as a bag test (0704)