SICK GSE6L-P3211 Photoelectric sensors. SICK GSE6L-P3211 is a photoelectric sensors in the G6 family. SICK identifies this exact configuration as manufacturer article 1117678. The official technical record specifies Functional principle: Through-beam photoelectric sensor; Sensing range min.: 0 m; Sensing range max.: 40 m; Recommended sensing range for the best performance: 0 m ... 30 m; Polarisation filter: No; Light source: Laser. The linked SICK data sheet is specific to GSE6L-P3211.