SICK WLA16P-39722100ZZZ Photoelectric sensors. SICK WLA16P-39722100ZZZ is a photoelectric sensors in the W16 family. SICK identifies this exact configuration as manufacturer article 1222789. The official technical record specifies Functional principle: Photoelectric retro-reflective sensor; Functional principle detail: Without reflector minimum distance (autocollimation/coaxial optics); Sensing range min.: 0 m; Sensing range max.: 10 m; Maximum distance range from reflector to sensor (operating reserve 1): 0 m ... 10 m; Recommended distance range from reflector to sensor (operating reserve 3,75): 0 m ... 7 m. The linked SICK data sheet is specific to WLA16P-39722100ZZZ.