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The unique construction of the sensor allows direct installation into the road in a flexible format so that it can conform to the profile of the road.  The flat construction of the sensor gives an inherent rejection of road noise due to road bending, adjacent lanes, and bow waves of approaching vehicles. The small cut in the road minimizes the damage done to the road, speeds up the installation and reduces the amount of grout used for the installation. The RoadTrax BL sensor is available both as a class I sensor for the highest level of uniformity needed for weigh in motion applications and as a class II sensor which is more cost effective for counting, classifying, high speed toll booths, speed detection, and red light cameras.


  • Great signal
  • Easy to handle
  • Easy Installation
  • Quality
  • Durability
  • Great passive cable
  • Versatility
  • Customer support
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Key Specifications

  • Center Core: 16 gage, flat, braided, silver plated copper wire
  • Piezoelectric Material: Spiral-wrapped PVDF Piezoelectric film with a nominal Piezoelectric Coefficient of 34 pC/N
  • Outer Sheath: 0.016” thick brass, CDA-260, ASTM B587-88
  • Final Dimensions: 0.260” wide x 0.063” thick; 0.005”
  • Passive Signal Cable: RG 58 type with an underground/direct burial rated outer jacket. The OD of the cable is 0.187” (4.75mm). The nominal capacitance of the cable is 27 pF/ft (89pF/m).
  • Brackets: Two sizes of installation brackets are included with the sensors, 3/4” (small) brackets and 1” (large) brackets. There is one small and one large bracket per 6” (150mm) of sensor length.


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This information has been provided to your free of charge for your use but remains the sole property of TE Connectivity Corporation (''TE'') or SnapEDA,  Inc. or Ultra Librarian/EMA Design Automation, Inc. (collectively, "Company"). While Company has used reasonable efforts to ensure its accuracy, Company does not guarantee that it is error-free, not makes any other representation, warranty, or guarantee that the information is completely accurate or up-to-date. In many cases, the CAD data has been simplified to remove proprietary detail while maintaining critical interface geometric detail for use by customers. Company expressly disclaims all implied warranties regarding this information, including but not limited to any implied warranties or merchantability or fitness for a particular purpose.