AZ BIDI BIDI Logger Water loss management in water distribution networks is increasingly getting away from acute leak detection but becoming popular for monitoring through acoustical zone inspection. Thereby water leaks getting detected virtually in real time and can get repaired directly after they appear. Hence time consuming and costly leak surveys will be outdated. With the new BIDI loggers from F.A.S.T. is now a product on the market that ties in with this trend. Whether it gets used as a conventional monitoring system, or extended to a self-transmitting monitoring network – the BIDI logger stick out with their very easy programming and with their unique functions. The possibility to correlate between two loggers who receive a leak noise, gives the operator already information’s about the exact leak spot.