C-SCOPE SG-V Instruction Manual download pdf (Page 38)

Pipe Tracing using a Sonde: Tracing a Sonde

3. Keeping the blade of the Locator in line with the Sonde,

move the Locator backwards and forwards over the length

of the Sonde. Adjust the sensitivity until a clear peak

response is shown on the display as the Locator passes

directly over the position of the Sonde.

4. Move the Locator from side to side over the position of

the Sonde. A similar peak response should be seen on the

display as the Locator passes directly over the position of

the Sonde.

The Locator is now set up ready for tracing the Sonde.

5. Push the Sonde up the pipe.

6. With the Locator turned on, walk from the pipe access

point in the direction that the Sonde was pushed. A strong

peak signal directly over the Sonde should be detected with

two lesser “ghost” signals found either side of the Sonde’s

true position. These ghost signals are always weaker than

the main signal and should not be mistaken for the true

Sonde signal.

7. Pinpoint the Sonde position by moving the Locator back

and forth and from side to side to get the peak response.

8. Push the Sonde further up the pipe and repeat the

pinpointing process.

See page 43 for Depth Measurement using a Sonde.

3./ 4.

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C-SCOPE SG-V Instruction Manual Page 38