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Model LD-18 Digital

Water Leak Detector

                   Array of components for LD18 digital leak detector sales literature

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Manufactured by SubSurface Leak Detection, Inc.


The LD-18 is a digital water leak detector equipped with a noise reduction system that significantly removes intermittent sounds such as footsteps, people talking, and passing vehicles.   Other features include high and low filters, storage and graphing of sound levels, a USB connection and backlight.  In addition to the 8 frequency filters there are 2 notch filters designed to remove continuous interferences such as A/C hum, motors, and wind. Sound levels can be logged on a computer for future use using the included software.


All-digital amplifier with automatic noise reduction of intermittent sounds.

Storage and graphing of sound levels at different locations on the pipe.

Bar graph and numeric display of sound loudness.

5 High Frequency Filters, 3 Low Frequency Filters, and 2 Notch Filters to remove continuous interfering noises from A/C hum, motors, wind, etc.





Standard Items & Accessories

  1. Amplifier with LCD Display, Filter Controls, and USB connection

  2. Padded Case for Amplifier

  3. 40in Belt

  4. Ground Microphone and Handswitch

  5. Magnet Base w/ Nut Driver

  6. Heavy-Duty Plastic Carrying Case

  7. Aviation-Grade Stereo Headphones

  8. PC Software and USB Cable

Optional Accessory

    9.   Sensor with Strong Magnet and 9.75 ft Cable 


Sensitivity & Amplification

Low Filters

High Filters

Notch Filters

Sound Levels Saved


900 V/G or higher (at 400 Hz)

Off, 100 Hz, 200 Hz, 400 Hz

400 Hz, 600 Hz, 800 Hz, 1200 Hz, 2200 Hz

Off, 50 Hz, 60 Hz

250 max (by date and time)

Power (amplifier):

4 C alkaline batteries

Battery Life:

24 hours minimum

Weight (amplifier):

35 ounces 




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Copyright 2016 Utility Tool Company, Inc.

Last modified: 01/08/2016


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