3D Scope II coverage chart

How wide an area a device can cover

Table of Contents


    This article provides measurement information to determine the coverage area for a 3D Scope II counter dependent on the device mounting height.

    Detection Area for 3DScope II and 3D II LC (Low Ceiling)

    3D Scope II Detection Area coverage chart - customer use.pdf

    How is it used?

    1. Measure the height from the floor to the ceiling / wall bracket of where the counter is to be installed.  Ideally centered to the entrance and 2 feet into the location free of obstructions. This will provide you with the installation height.
    2. Reference the above detection area chart to determine the coverage Width and device model rounding down from your measurement from step. Green Box area for LC model or Blue Box for Regular Model.
      Chart Use Example: 
      Installation Height of 8 feet
      • Required Model: 3D II LC (Low Ceiling)
      • Entrance Coverage:

      Installation Height of 14 feet
      • Required Model: 3D Scope II
      • Entrance Coverage:

    3. Compare to the Coverage Width determined to the actual width of the entrance or area which Is to be monitored to determine how many devices would be required to count accurately.
      A  Coverage Area
      1  Mounting Position
      2  Monitored Area
      3  Count Line
      4  Area covered by 3DScope in Pass-by Mode using a mounting angle

    Using Multiple Devices (Multi-Fusion) to cover an large area

    When the installation height does not allow for a single device to cover a wide area or the area is simply beyond the max capability of a single device, multiple devices (Up to 10) can be used to cover a single area.

    When calculating the coverage area for multiple devices there must be at least 3.3 feet (1 meter) of overlap  allow for the proper initialization of people between counters.

    The maximum monitored area can be extended from 8 m x 8 m
    (26.2 ft x 26. ft) with 1 device up to 8 m x 22.8 m (26.2 ft x 74.7 ft)
    with 2 devices and so on.

    Fusion of 2 Devices Fusion of 4 Devices

    3DScope II Coverage when mounted at an angle

    • The device can be angled up to 45 degrees with the use of an SMS supplied bracket.  
    • Counters are typically mounted at angles for the following reasons
      • When using a 3DScope II for capturing pass-by traffic through a display window.
      • When using a 3D in creative uses such as SIS, corners or kiosks.
      • There are too many obstructions to install centered to the entrance, or a bit off-center. 
      • Cannot be installed approximately 2 feet where the depth of the coverage area will meet the base of the entrance.
      • Where there is NO ceiling or ideal mountable surface area close to the entrance or area of interest.

    Refer to the following attached worksheet to plot the angle of measurement to determine the displaced coverage area.

    3D-Scope Monitoring-Area calculator.xlsm

    Using the angle calculator

    1. Download the above worksheet calculator
    2. Input the installation height
    3. Input the Angel (Worksheet max is 30 degrees)  3DScope II can go up to 45 degrees, however between 30 to 45 degrees the coverage is best viewed through the device during installation.


    Mounting the counter at an angle may slightly reduce the counting accuracy due to the follow scenarios;

    A larger person close to the camera obstructs the view of a person behind, resulting in the person behind not being counted or filtered out.

    header-top-left-border Created with Sketch.
    header-top-right-border Created with Sketch.