Panasonic-CY-Series-Through-Beam-Cylindrical-Photelectric-Sensor-Light-Curtain-Panasonic-CY11B-A-through-beam-photoelectric-sensor-designed-to-be-used-as-a-light-curtain-The-sensor-has-a-cylindrical-body-&-is-mounted-via-an-M18-thread-IP67-protection-means-that-the-sensor-may-be-mounted-in-harsh-environments-&-the-design-&-construction-gives-it-high-reliability-&-easy-maintenance-&-repllacement-Suitable-for-applications-such-as-object-personnel-counting-object-detection-posit