differential leak detector

differential leak detector

[‚dif·ə′ren·chəl ′lēk di′tek·tər]
(engineering)
A leak detector consisting of two tubes and a trap which directs the tracer gas from the system into the desired tube.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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