Sewerin SeCorrPhon AC200 SDR Combination Leak Correlator and Acoustic Leak DetectorCorrelator and acoustic water leak detector combined: professional flexible intelligent The SeCorrPhon AC 200 is a multi functional leak detector offering three functions in one: pre location, pinpointing and correlation. The clever combination of these processes in one system allows you to confidently locate the leak regardless of the ambient conditions. With just a few finger strokes, you can quickly and easily switch between the various