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    Piezoelectric Traffic Sensor

    QSY8311 Piezoelectric Traffic Sensor

    Piezoelectric Traffic Sensor for AVC(Automatic Vehicle Classification)

    The QSY8311 intelligent traffic sensor is designed for permanent or temporary installation on the road or under the road to collect traffic data. The unique structure of the sensor allows it to be mounted directly under the road in a flexible form and thus conforms to the contour of the road. The flat structure of the sensor is resistant to road noise caused by bending of the road surface, adjacent lanes, and bending waves approaching the vehicle. The small incision on the pavement reduces damage to the road surface, increases installation speed, and reduces the amount of grout required for installation.


    The advantage of QSY8311 intelligent traffic sensor is that it can obtain accurate and specific data, such as accurate speed signal, trigger signal and classification information. It can feedback traffic information statistics for a long time, with good performance, high reliability and easy installation. High cost performance, mainly used in the detection of axle number, wheelbase, vehicle speed monitoring, vehicle classification, dynamic weighing and other traffic areas. There are two types of piezoelectric traffic sensors. The QSY8311-1 sensor is suitable for driving weighing. The QSY8311 sensor is suitable for vehicle counting, classification, highway toll station, speed detection and red light photography.


    Technical Parameters


    Model No.:QSY8311

    Section size:~3×7mm2

    Length:Visible brass length is 1.78 m, overall length is 1.93 m

    Piezoelectric coefficient:≥20pC/N Nominal value

    Insulation resistance:>500M?

    Equivalent capacitance:~6.5nF

    Working temperature:-25℃~60℃

    Interface:Q9

    Mounting bracket:Attach the mounting bracket with the sensor(Nylon material, not recycled).1 pcs bracket each 15 cm


    Overall Dimension


    Sensor   Length

    Visible   Brass Length

    Approx   Overall Length(including ends)

    6'(1.82m)

    70''(1.78m)

    76''(1.93m)

    8'(2.42m)

    94''(2.38m)

    100''(2.54m)

    9'(2.73m)

    106''(2.69m)

    112''(2.85m)

    10'(3.03m)

    118''(3.00m)

    124''(3.15m)

    11'(3.33m)

    130''(3.30m)

    136''(3.45m)



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