SICK GSE6-P3211 Photoelectric sensors. SICK GSE6-P3211 is a photoelectric sensors in the G6 family. SICK identifies this exact configuration as manufacturer article 1067659. The official technical record specifies Functional principle: Through-beam photoelectric sensor; Sensing range max.: 0 m ... 15 m; Sensing range: 0 m ... 10 m; Polarisation filter: No; Light source: PinPoint LED 1); Type of light: Visible red light. The linked SICK data sheet is specific to GSE6-P3211.