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The LD-8 Leak Survey Tool is a “rod-based” acoustic listening instrument for listening for water leaks at hydrants, meters, and valves: |
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The LD-8 includes a 4-inch short contact rod, a 4-section contact rod set (threaded connections, each rod 13 inches) and an adapter rod as standard items:
The adapter rod has female threads at both ends, and it is used for attaching the optional 40 inches Long Contact Rod or the optional 60 inches Long Contact Rod.
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The stereo headphones attach to the side of the LD-8 amplifier at this connector jack:
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Two AA batteries go inside the battery compartment like this:
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The LD-8 amplifier display has a two-digit display of loudness, out of range indicator, and low battery indicator:
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The Low Battery Indicator flickers a “battery icon” when the battery power is low and the ON/OFF Button is depressed. Replace the batteries when the icon appears. |
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The SENS Range Switch inside the battery compartment has 3 positions:
With the switch in the High position, the LD-8’s sensitivity is highest (for listening to small leaks). With the switch in the Low position, the LD-8’s sensitivity is lowest (for listening to loud leaks).
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The Out of Range Indicator flickers a “ ” icon when the sound level display exceeds 99. Move the SENS Range Switch to Medium or Low to re-scale the two-digit display to a lower range. Each SENS Range Switch position is 10X higher or lower in sensitivity then the adjacent position. |
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