Tunnel Master® wbc Installation Guide
Page 37
Ultrasonic Truck Bed Sensor Mounting Recommendations
When mounting the ultrasonic sensor, alignment is critical. Ensure the face of the transducer is clear of
obstructions and parallel to the target. A misalignment of a few degrees can affect the accuracy and
reliability of the sensor.
NOTE:
If any of the Ultrasonic Mounting Recommendations cannot be met, a custom mounting
solution can be fabricated for your location. Contact your ICS sales representative for more
information. Additional charges may apply.
Mounting height must be at 9 feet.
Mount the sensor directly on a stable solid arch that will not move.
WARNING: Consideration should be taken if the arch is a “lava” or similar arch as
sometimes the product from the arch can significantly over-spray and interfere with the
sonar’s accuracy.
Position the sensor at the mid-point between the walls of the tunnel on center line of
equipment.
Position the sensor so it is mounted directly over the photo eye system directly in line with the
eye beam.
In the case of an inductive loop, position the sensor in line with the area of the loop that first
starts sensing the car.
There needs to be solid ground directly below where the sensor is mounted. Do not install
over a car wash pit grating with openings in it. If there is a pit directly below, place a 2’ to 3’
solid piece of metal plate or plastic matting directly under the sensor so there is a consistent
floor that the sensor can use as a baseline.
Use ½” conduit for the communications wiring.
A green LED light appears inside the converter box to indicate the power is on.
Figure 30. Ultrasonic Sensor Mounting Dimensions
