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LD-12 Water
Leak Detector includes accessories for water leak
“pinpointing” and water leak “surveying”: |
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Do not drop
the sensor hard on to asphalt, concrete, valves, or other surfaces
from 2-3 feet or more. The sensor has a piezo electric ceramic
element, and it can be broken by hard drops or harsh treatment. |
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The amplifier
has a large Meter Display, Volume Control, Adjustable Filters,
ON/OFF Power Switch, Battery Power Switch, and a Light Switch:
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The headphones
jack is “power switched”. If the headphones are
not plugged in, the amplifier’s power does not go ON: |
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There
are 3 Low Filters and 3 High Filters. The LD-12 user hears
all of the sounds between the two filters that are ON. All
sounds that are in frequencies lower or higher are filtered
out.
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The Limitter Switch
cuts off all sounds
greater than 110 dB
in the ON position.
The Filter-Thru
Switch bypasses
all of the filtering
in the ON position.
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The meter
on the amplifier is used for comparing the loudness at different
locations when the user’s hearing can not tell which
location is louder. Adjust the Volume Control to move the meter
needle
to a midrange position. Then compare meter readings at different
locations. |
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SubSurface Leak Detection |