东莞市行行容飞东城冈阳电子经营部

 ● Self-diagnosis feature
―――Sensor signaling an error due to degradation of
receiver light intensity level
―――Feature applicable to countering soiling of lens
or light axis misalignment over time, allowing
easy maintenance
● IP 67 water resistance allows washing
Sensor when line is washed
● Visible beam spot for ease of
checking (red LED type)