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Automatic ultrasonic leak detection

Supplier News
article image DND technology in action.

THE AccuTrak model VPX-WR with DND (dynamic noise discrimination) technology is claimed to be the first and only ultrasonic technology to analyse a broad spectrum of ultrasound, and select the proper frequency band of the leak sound automatically.

Since traditional heterodyne translators can only listen to a narrow frequency band at any given time, they can miss key leak sounds if not tuned properly.

DND eliminates the guesswork associated with manual frequency tuning because it selectively translates sounds regardless of where they fall within the range of the instrument. Duff and Macintosh 02 9482 1411.

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