SICK WTS26P-1H161120A00 Photoelectric sensors. SICK WTS26P-1H161120A00 is a photoelectric sensors in the W26 family. SICK identifies this exact configuration as manufacturer article 1218950. The official technical record specifies Functional principle: Photoelectric proximity sensor; Functional principle detail: Background suppression, TwinEye technology; Sensing range min.: 10 mm; Sensing range max.: 1,000 mm; Adjustable switching threshold for background suppression: 150 mm ... 1,000 mm; Reference object: Object with 90% remission factor (complies with standard white according to DIN 5033). The linked SICK data sheet is specific to WTS26P-1H161120A00.