SICK GSE2FS-E1111 Photoelectric sensors. SICK GSE2FS-E1111 is a photoelectric sensors in the G2 family. SICK identifies this exact configuration as manufacturer article 1095469. The official technical record specifies Functional principle: Through-beam photoelectric sensor; Dimensions (W x H x D): 4.5 mm x 21 mm x 11 mm; Housing design (light emission): Rectangular; Minimum detectable object (MDO): 0.2 mm; Sensing range max.: 0 mm ... 60 mm; Sensing range: 0 mm ... 40 mm. The linked SICK data sheet is specific to GSE2FS-E1111.