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Store: Product Listing: Sensors: Photoelectric / fiber optics:

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Retro-reflective

Baumer Electric and Infra International are our two sources for retro-reflective sensors. With the emitter and receiver in the same housing this sensor transmits a pulsed infrared or red light beam which is reflected back from a "triple prism" reflector or reflective tape.

The sensor switches when the light beam is interrupted.

These devices recognize objects indepenent of their surface qualities, as long as they are not too shiny.

Retro-reflective sensors with polarization filters correctly recognize highly reflective objects. The polarization filter prevents false switching with shiny objects. Only the stray and unpolarized light from the reflector actuates the sensor.

large sensing range (up to 10 meters)
matte finished objects are recognized independent of their surface properties
with polarization option able to accurately distinguish shiny objects

Product Series
Title	Housing	Sensing Range (mm)	Input Voltage	Summary
Series 10R	10 x 14 x 27 Rectangular	Up to 700 mm	10 - 30 VDC	Polarization Filter to detect shiny objects. Smallest package size in the industry
Series 12	12 mm Rectangular and Cylindrical versions	Up to 3000 mm	10 - 30 VDC	Polarization filter.
Series 16R	14 x 31 x 35 mm Rectangular	Up to 9000 mm	10 - 30 VDC	Lowest cost rectangular designs (around $ 50). Programmable output and polarization filter versions available.
Series 18C-DC	18 mm cylindrical	4000 mm	12 - 30 VDC	Lowest cost cylindrical designs. Prices start around $ 38.
Series 18C-AC	18 mm cylindrical	Up to 3000 mm	24 - 230 VAC	Retro-reflective sensors with AC input.
Series 18R-AC	18 x 50 x 50 Rectangular	Up to 9000 mm	18 - 230 VAC	Rectangular design with AC input and relay output.
Series 26R	26 x 58 x 80 mm Rectangular	Up to 9000 mm	10 - 30 VDC	Polarization filter.