a.14cm (Diameter) plastic rod is used for the test target.
b. The test result may differ by a different target object.
c. Detection range may be reduced by dirt accumulated on sensor, and extremely hot or cold weather.
d. The following object may not be detected.
a. Sharp object or thin object like rope.
b. Cotton, sponge, snow or other materials absorbing sonic wave.
c. Smaller objects than 14cm (Diameter), 1m length.
