© 2014 Radiodetection Ltd 24
reading is suspect, sweep the area to check if other
nearby lines are radiating the signal. If other signals are
causing interference, it may be necessary to make the
current measurement at another point along the line.
Both antennae are needed to make a current
measurement and locator accessory antennae such as
a normal clamp or stethoscope cannot be used.
Because current measurement is a function of depth, it
is only available in the locating modes.
Figure 6.7: Current readings using transmitter signals
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