Vivax Metrotech vScan D18 Manual de usuario
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.
P/N:4.04.000223
Page 1
Sonde Range
™
Model Depth and Dimensions Frequency Battery Type
D18 Sonde
D38 Sonde
D64 Sonde
D23 Sonde
Please visit our website for full specifications on our sonde range.
Depth: 15ft / 4.5m
0.72" x 3.2" (18.5 x 79mm) 33kHz
33kHz
33kHz
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)
512Hz
640Hz
2 x SR44
Button cells
1 x AA Alkaline
1 x 9 Volt Alkaline
1 x AA Alkaline
Tips for locating sondes
Locating sondes with a vScan Receiver
The sonde signal pattern consists of three distinct peaks. A small peak, a large peak, followed by
another small peak with two “Nulls” between the peaks. The sonde is located under the center of
the large peak, also known as the Main Peak.
Locating Sondes with the vScan Receiver:
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1.
2.
3.
4.
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). Locate, mark, move and repeat.
™
TIP
MAIN PEAK
GHOST PEAK GHOST PEAK
1.
2.
3.
Turn on the vScan Receiver.
Use the mode paddle to enter the Sonde mode. The Sonde icon will now be visible on
the screen.
Position the vScan above the Sonde as indicated below: (The rotational orientation of the receiv-
er is 90 degrees to that used when line locating)
When locating sondes, we will locate the sondes forward/backward position and then locate the
left/right position.
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4.
5.
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.
™
Ghost Peak Ghost Peak
Main Peak
Forward/Back Locate Left/Right position Locate
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6.
7.
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. Keep the insertion intervals small (2 to 3m) to ensure the Sonde is not lost.
™
Vivax-Metrotech Corp. (Headquarters)
3251 Olcott Street, Santa Clara, CA 95054, USA
T/Free: 1-800-446-3392
Tel: +1-408-734-1400
Fax: +1-408-734-1415
Email: [email protected]
Website: www.vivax-metrotech.com
Visit us at www.vivax-metrotech.com to view our full product line and worldwide locations.
Este manual sirve para los siguientes modelos
3
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