The SM2A312 series of photoelectric sensors from Banner are self contained 24 to 240V ac operated sensors with SPST solid-state outputs. The Mini-Beam SM2A213 series are compact high performance sensors with 18 mm threaded lens and are available in opposed, opposed clear plastic, polarized, non-polarized retro-reflective, convergent, diffuse and glass or plastic fibre optic sensing modes.

Opposed-mode models for clear plastic detection
18 mm threaded barrel or side mounting options
Convergent and fibre optic models with infrared or visible red or green LED light source

Laser radiation is harmful to the human eye and under no circumstances should the laser beam be viewed directly or via optical instruments.