RD4000 Locating System User Manual
Page 59
To use as a sonde, connect both transmitter leads to the FlexiTrace stud terminals. As the FlexiTrace terminals
are not colour code it does not matter which terminals the leads are connected to.
To use the FlexiTrace in line mode, connect the red transmitter lead to a FlexiTrace terminal and ground the
black lead.
Stethoscopes
When to use a stethoscope
At times, it may not be possible to put a clamp around a cable
because of congestion or because of inaccessibility. A
stethoscope antenna should be used in the place of the clamp
to identify cables.
How to use a stethoscope
Plug the stethoscope into the receiver accessory socket. Press
the concave head against each cable in turn to detect a
maximum signal.
Types of stethoscope
Large stethoscope antenna
The large stethoscope antenna, which plugs into the receiver accessory socket, is used for cable identification
in situations where the cable is exposed. It is particularly useful for identifying heavy cables lying in a tray where
it is not possible to fit a clamp. The concave detector head on the end of the insulated, flexible gooseneck is
placed firmly against the cable to be identified. If there are a number of cables, the stethoscope antenna will
give the strongest response from the cable to which the transmitter signal has been applied.
Small stethoscope antenna
The small stethoscope antenna has a 25mm/1in concave head
at the end of a 2m/78 inch lead. The small stethoscope can be
screwed into an extension rod or used at the end of several
extension rods joined together for identifying inaccessible small
cables.
Miniature hi-gain stethoscope
The miniature stethoscope is similar to the small stethoscope
but has no handle or facility for extension rods.
The miniature stethoscope can also be used as a miniature
antenna for locations where the bulk of the receiver makes it
inconvenient for use, such as locating pipes or cables in walls.
CD stethoscope
In restricted areas, the CD stethoscope can be used to obtain
current direction but not current measurement.
90mm
3.5in
0
30mm
1.3in
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