The Banner QS18RPWLPQ2 is a compact all‑purpose photoelectric sensor from Banner Engineering, part of the QS18 series. This polarized retroreflective model detects objects using reflected light with a reflector, and its 18 mm cylindrical housing is designed for tight spaces in industrial automation. Typically used on packaging lines, conveyors, and assembly operations, it provides reliable, non‑contact sensing essential for fast, automated processes.
