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vScan Sonde Locating Quick Guide V1.1
Sonde Introduction
Sondes are small self-contained battery powered transmitters that are propelled through pipes
and ducts and can be located on the surface by a sonde locator or buried utility locator with a
sonde mode. Sondes are also built into other products such as a sewer camera, robotic crawler
camera, or attached to a jetter hose. Low-frequency versions (512Hz/640Hz) can transmit
through some metallic pipes like cast iron pipes, which is why they are frequently used with sewer
inspection cameras.
Sondes come in a variety of sizes which ties into how deep they can be located. Different frequen-
cies are available which allow sondes to be located in metallic or non-metallic pipes and ducts.
The vScan receiver has sonde frequencies of 33kHz, 512Hz and 640Hz.
Model
D18 Sonde
D38 Sonde
D64 Sonde
D23 Sonde
Please visit our website for full specifications on our sonde range.
P/N:4.04.000223
Sonde Range
Depth and Dimensions
Depth: 15ft / 4.5m
0.72" x 3.2" (18.5 x 79mm)
Depth: 16ft / 5m
1.4" x 5.2" (38 x 132mm)
Depth: 26ft / 8m
2.5" x 7.1" (64 x 179mm)
Depth: 22ft / 7m
0.90" x 17.3" (23 x 440mm)
Frequency
33kHz
33kHz
33kHz
1 x 9 Volt Alkaline
512Hz
640Hz
™
Battery Type
2 x SR44
Button cells
1 x AA Alkaline
1 x AA Alkaline
Page 1
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Summary of Contents for Vivax Metrotech vScan D18
- Page 1 vScan Sonde Locating Quick Guide V1.1 Sonde Introduction Sondes are small self-contained battery powered transmitters that are propelled through pipes and ducts and can be located on the surface by a sonde locator or buried utility locator with a sonde mode. Sondes are also built into other products such as a sewer camera, robotic crawler camera, or attached to a jetter hose.
- Page 2 Tips for locating sondes Work as a team with one person on the locator and the other working the camera or duct rodder. When working with sondes always use a fresh battery. Use a radio system or mobile phone for communication. Work in increments of 10 to 20 feet (3 to 6m).
- Page 3 Forward/Back Locate Left/Right position Locate Adjust the sensitivity control so that the bar graph reads approximately 75%. Now move the vScan forward and back to detect the largest signal. You will also notice that there will be a “ghost signal” in front and behind the Sonde. This is normal and characteristic of locating Sondes.
- Page 4 Now sweep left and right over the Sonde to obtain a second peak. Note that there are no ghost signals when sweeping left to right over the Sonde. Now push the Sonde in a couple of meters and repeat the above to mark the pipe or duct route.
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