NORAC UC4+BC+CS5 - Manual (Page 15)

13
General Mounting Rules for UC4+
Ultrasonic Sensors:
a) In its lowest position, the sensor must
be 9 inches (23 cm) or more from the
ground.
b) Ensure that there are no obstructions
within a 12-inch diameter circle
projected directly below the center of
the sensor.
c) The sensor should be approximately
vertical at normal operating heights.
Figure 10: Sensor Mounting
Guidelines