Functional principle Photoelectric proximity sensor Functional principle detail Energetic Dimensions (W x H x D) 18 mm x 18 mm x 63.6 mm Housing design (light emission) Cylindrical Housing length 63.6 mm Thread diameter (housing) M18 x 1 Optical axis Axial Sensing range max. 5 mm ... 400 mm 1) Sensing range 5 mm ... 350 mm Focus Approx. 2.8° Type of light Infrared light Light source LED 2) Light spot size (distance) Ø 20 mm (400 mm) Angle of dispersion Approx. 2.8° Adjustment Potentiometer, 270° (Sensing range)