WL100 2N4439 SICK Retroreflective Photoelectric Sensor rectangular detectable range from 0 01 to 7 2 m industrial connector connection NPN output LED light source WL100 series
WL100 2N4439 SICK Retroreflective Photoelectric Sensor rectangular detectable range from 0 01 to 7 2 m industrial connector connection NPN output LED light source WL100 series