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Plug-In Modules
Trisonic™ Scanning module
This module is utilized to receive air-borne ultra-sound such as the ultrasounds emitted by pres-
sure/vacuum leaks and electrical discharges. There are four prongs at the rear of the module. For
placement, align the prongs with the four corresponding jacks in the front end of the pistol housing and
plug in. The Trisonic™ Scanning Module has a phased array of three piezoelectric transducers to pick
up the airborne ultrasound. This phased array focuses the ultrasound on one „hot spot“ for directionality
and effectively intensifies the signal so that minute ultrasonic emissions can be detected.
Trisonic Scanning Module
Stethoscope (contact) Module
This is the module with the metal rod. This rod is utilized as a „waveguide“ in that it is sensitive to ultra-
sound that is generated internally such as within a pipe, bearing housing or steam trap. Once stimulated
by ultrasound, it transfers the signal to a piezoelectric transducer located directly in the module housing.
The module is shielded to pro-vide protection from stray RF waves that have a tendency to effect elec-
tronic receiving and measurement. The Stethoscope (Contact) Module can be effectively utilized in prac-
tically any environment ranging from airports to broadcasting towers. It is equipped with low noise ampli-
fication to allow for a clear, intelligible signal to be received and interpreted. For placement align the four
prongs on the back with the corresponding receptacles in the front of the pistol and plug in.
Stethoscope Module
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