SubSurface Instruments LD-8 Water Leak Detector

SubSurface Instruments Water Leak Detector Model Number: LD-8 Features: Ampli?er with a push button ON/OFF switch, volume control, two-digit display of loudness, and three-range sensitivity switch. Use the short contact rod for listening at hydrants. Use the long contact rods for listening at below-grade meters and below-grade valves. Notch ?lters reduce A/C hum from transformers, power lines, etc. Excellent sensor sensitivity, leak sound ampli?cation, and audio clarity. Stereo headphones with soft leather ear covers are comfortable for hours and hours. Use the two-digit display to compare the loudness of leak sounds at nearby locations, like adjacent water meters, close water hydrants, close water valves, etc. The display can show which is loudest when your ears can not tell. Sturdy, light-weight carrying case weighs only 10 lbs. and ?ts behind the seat in the truck Amplifier Specifications: Size: 8.15" x 3.3" x 2.4" ( 20.7 cm x 8.4 cm x 6.1 cm) Weight: 10.6 ounces (300.5 g) (with batteries) Input Power: Two (2) AA (dry cell or rechargeable) Battery Life: 24 hours minimum (alkaline cells) Frequency Range: 100Hz to 2000Hz Temperature Range: 25-130 F (-4 - 45 C) Headphones: Stereo, 8 ohms Standard Contact Rods: Short Rod: 4", anti-slip tip, 4-Section Rod set: 4 sections, each 13" (33.0 cm), threaded Optional Contact Rods (Sold Separately): 40" (101.6 cm) Rod: single piece, light-weight stainless steel, 60" (152.4 cm) Rod: single piece, light-weight stainless steel Amplification: 55 dB Sensor: Piezoelectric Element Warranty: 5 Years ABS Carrying Case Specifications: Size: 18" x 11.5 x 7" (45.72 cm x 30.48 cm x 17.8 cm) Weight: 10 lb. (4.5 kg) Includes: Section contact rod set (52”) Over the ear stereo headphones Ampli?er w/display & volume control ABS plastic custom carrying case Short contact rod (4”)