JT5000 Ultrasonic Underground Pipes Water Leak Detector Chinacoal07 This instrument is used to locate and identify underground water supply, heating pipeline leak location dedicated instrument, can also be used for other pressure piping systems leak detection. It adopts state-of-the-art digital signal processing technology and digital filter circuit,to further improve the antijamming performance of the instrument. It could overcome the accurate detection of ambient noise interference also.This machine with large-screen LCD shows, measurement parameters automatically distinguish between ambient noise and leakage noise signal, intuitive operator determine leakage doubt. Frequency range: 100~2000HZ Magnification times: 100~1000 times(could be continue adjustable) Sensitivity: >1000μV/g Working current: <2μV Frequency-selecting type: 16 types frequency-selecting Power supply: 1500mAh hydrogen charging the battery Mainframe size: 150mm*70mm*116mm Mainframe weight: 870g Vibration pickup weight: 600g Leakage headphone weight: 320g Charger weight:55mm*45mm*56mm