with LCD Display, Controls, and USB Connection (to
Case for Amplifier
inches Belt (50 inches and 60 inches Optional)
Microphone and Handswitch
Base and Nutdriver
ABS Plastic Carrying Case
Software and USB Cable
with Strong Magnet and 9.75 ft. Cable (to listen
at valves and hydrants)
amplifier with automatic noise reduction of intermittent
sounds, high and low filters, storage and graphing
of sound levels at different locations on the pipe,
bar graph and numeric display of sound loudness,
USB connection, and back light.
LD-18 Amplifier showing filter settings, bar
graph and numeric display of sound loudness, and
minimum sound level detected
noise reduction capability for intermittent noises
such as pedestrian footsteps, people talking, and
High Frequency filters, 3 Low Frequency filters
(plus Low filter OFF), and 2 Notch filters (plus
Notch filter OFF) to remove continuous interfering
noises from A/C hum, motors, wind, etc.
and graphical display of the leak‘s loudness
at multiple locations along the pipe.
The “Saved” data file showing 10
leak sound levels and graphical display. Leak is at
the peak sound level in the center.