Subsurface Instruments LD-15 Water Leak Detector

Subsurface Instruments Water Leak Detector Model Number: LD-15 Features: High sensitivity sensor with Neodymium magnet (extra strong). Sensor and cable connection completely sealed and water-proof (submersible). Ampli?er with superior audio quality (very low distortion and superior signal-to-noise ratio) and large meter display. Press the Mute Switch to hear sounds when you are ready. “Survey” for water leaks by listening at hydrants and valves with the sensor and magnet. Survey at water meters with a Long Contact Rod (optional). “Pinpoint” water leaks in pipes under asphalt or concrete with the base plate attached to the sensor and magnet. Use the High ?lter range for water leak surveying. Use the Low ?lter range for water leak pinpointing. High-frequency leak sounds travel on the pipes, but only low frequencies pass through the soil. Amplifier Specifications: Size: 6.4" x 3.0" x 5.7" (16.3 cm x 7.6 cm x 14.4 cm) Weight: 8.1 lbs (including 4 C batteries) (3.7 kg) Input Power: Four (4) C dry cell batteries Battery Life: 80 hours with alkaline batteries at 68 F (20 C) Amplification: 56dB Filter Ranges: 1) High Range: 30 Hz - 5000 Hz 2) Low Range: 30 Hz - 800 Hz 3) Notch Filter: 150 Hz - 180 Hz Sensitivity: 10 V/g Resonance Frequency 950 Hz (+/- 150 Hz) Weather Protection: IP68 or equivalent (3 ft. (.9 m) under water for 3 hours) Cable length: 9.75 ft. (3 m) Warranty: 5 Years ABS Carrying Case Specifications: Size: 18.5" x 14.6" x 7.5" (470 mm x 371 mm x 190 mm) Weight: 14.4 lbs (6.53 kg) Includes: Ampli?er w/meter display & ?lter controls Aviation-grade stereo headphones High sensitivity sensor & cable Padded case & waist strap Hard Carrying Case