OMRON Miniature Photoelectric Sensor E3T-SR21 2M
Model: E3T-SR21 2M.
Sensing method: Retro-reflective.
Appearance: Side-view.
Connection method: Pre-wired.
Sensing distance: 10 to 200 mm includes E39-R4 reflector, Red light.
Operation mode: Light-ON.
Output configuration: NPN.