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Dakota Ultrasonics
10
The Transducer
The transducer is the "business end" of the MMX-6 DL. It transmits and
receives ultrasonic sound waves that the MMX-6 DL uses to calculate the
thickness of the material being measured. The transducer connects to the
MMX-6 DL via the attached cable, and two coaxial connectors. When
using transducers manufactured by Dakota Ultrasonics, the orientation of
the dual coaxial connectors is not critical: either plug may be fitted to either
socket in the MMX-6 DL.
The transducer must be used correctly in order for the MMX-6 DL to
produce accurate, reliable measurements. Below is a short description of
the transducer, followed by instructions for its use.
This is a bottom view of a typical transducer. The two semicircles of the
wearface are visible, as is the barrier separating them. One of the
semicircles is responsible for conducting ultrasonic sound into the material
being measured, and the other semicircle is responsible for conducting the
echoed sound back into the transducer. When the transducer is placed
against the material being measured, it is the area directly beneath the
center of the wearface that is being measured.