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4.5.5. Tracker
The tracker is mounted atop any probe holder
frame and uses advanced laser guidance to follow
elevated profiles
(i.e. welds)
.
4.5.6. Preamp
The Preamp is used to amplify the return signal
from an ultrasonic transducer and improve the
signal-to-noise ratio for transmission over long
cables.
Fig. 94 - Tracker
Fig. 95 - Preamp