Digital Water Leak Detector - LD-7:    

The LD-7 fits in the palm of your hand! It features a compact amplifier with a on/off (mute) switch to protect your hearing when moving the microphone sensor. Designed for all of the water leak detection applications, including leak surveys and leak pinpointing. Use the 3-point ground plate for pinpointing on streets and concrete slabs. Use the magnetic base or the contact rod for leak surveys at hydrants, valves or meters. Extremely compact and lightweight, the LD-7 measures 14x10x6 inches, small enough to be stored behind the seat of your truck.

Specifications

Sensor: Piezoelectric Element

Amplification: 56 dB

Frequency Range: 100Hz to 1500Hz

Batteries: Two AA 

(dry cell or rechargeable)

Battery Life: 30Hrs

Weight: 0.507lb (230 gm)

Size: 5.7" x 3" x 1.25" (145mm x 30mm x 68mm)

HEADPHONES

20 ohms

ABS CARRYING CASE

Weight (full): 5.84lbs

Dimensions: 14 by 10.5 by 6 (inches)