SICK WTF16P-24161220A00 Photoelectric sensors. SICK WTF16P-24161220A00 is a photoelectric sensors in the W16 family. SICK identifies this exact configuration as manufacturer article 1113467. The official technical record specifies Functional principle: Photoelectric proximity sensor; Functional principle detail: Foreground suppression, NarrowBeam; Sensing range min.: 0 mm; Sensing range max.: 400 mm; Adjustable switching threshold for background suppression: 100 mm ... 400 mm; Reference object: Object with 90% remission factor (complies with standard white according to DIN 5033). The linked SICK data sheet is specific to WTF16P-24161220A00.