Sensor Reflectors

Sensor reflectors are used with all retro- or auto-reflective sensors and are critical for the function of the sensor. Sensor reflectors are available in a range of formats to suit different applications and environmental conditions.

Types of sensor reflectors

Most commonly sensor reflectors are square, rectangular or circular with multi-faceted surfaces to capture and return the light beam. They have single hole, dual hole or adhesive mountings and can be matched with specific sensors to optimise performance. In most situations a standard sensor reflector made from ceramic or lightweight acrylic can be used. Some sensors in industrial environments need reflectors that are made from specific materials such as stainless steel, or that have chemical- or heat-resistant properties.

How do sensor reflectors work?

Sensor reflectors are mounted in a position that allows the beam of light produced by the emitter in the sensor to bounce off the sensor reflector and return to the receiver in the sensor housing. When the beam is obstructed, it alters the output signal in the sensor, commonly triggering an alarm.


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Description Price Shape For Use With Diameter Length Width Dimensions
RS Stock No. 191-9854
Mfr. Part No.E20454
TWD798.00
Each
units
Rectangular Retro Reflective Sensors - 95mm 95mm 95 x 95 mm
RS Stock No. 808-9060
Mfr. Part No.RF-200
BrandPanasonic
TWD528.00
Each
units
Rectangular EX-29 Series - 17.5mm 9.6mm 17.5 x 9.6 mm
RS Stock No. 857-3307
Mfr. Part No.ER100
TWD840.00
Each
units
Rectangular Retro Reflective Photoelectric Switches - 100mm 100mm 100 x 100 mm
RS Stock No. 158-5114
Mfr. Part No.E20005
TWD373.00
Each
units
Round Retro Reflective Sensors 80 mm - - -
RS Stock No. 265-2776
Mfr. Part No.PL80A
BrandSick
TWD1,077.00
Each
units
- W11-2 Series - - - -
RS Stock No. 832-0119
Mfr. Part No.BRT-35X35B
BrandBanner
TWD433.00
Each
units
Square QS30 - 42mm 35mm 42 x 35 mm
RS Stock No. 832-0125
Mfr. Part No.BRT-40X19AM
BrandBanner
TWD349.00
Each
units
Rectangular QS30 - 60.2mm 19.3mm 60.2 x 19.3 mm
RS Stock No. 831-5984
Mfr. Part No.E39-R21
BrandOmron
TWD1,245.00
Each
units
Rectangular E3NC Series - 35mm 30mm 35 x 30 mm
RS Stock No. 832-0175
Mfr. Part No.BRT-51X51BM
BrandBanner
TWD1,293.00
Each
units
Square MINI-BEAM, PicoDot Sensor, QS18, QS30, RMB50 - 61mm 51mm 61 x 51 mm
RS Stock No. 832-0138
Mfr. Part No.BRT-40X23
BrandBanner
TWD369.00
Each
units
Rectangular VALU-BEAM 915 Series Sensor - 40mm 23.5mm 40 x 23.5 mm
RS Stock No. 781-5985
Mfr. Part No.REF-H85-2
TWD877.00
Each
units
Rectangular REF-H85-2 - 84.5mm 84.5mm 84.5 x 84.5 x 8.7 mm
RS Stock No. 832-0129
Mfr. Part No.BRT-40X20AM
BrandBanner
TWD369.00
Each
units
Rectangular - - 42mm 20mm 42 x 20 mm
RS Stock No. 832-0141
Mfr. Part No.BRT-42A
BrandBanner
TWD369.00
Each
units
Round VALU-BEAM 915 Series Sensor 42 mm 60mm 6.8mm 60 x 6.8 mm
RS Stock No. 191-9832
Mfr. Part No.E20004
TWD297.00
Each
units
Round E3T Models 42 mm - - -
RS Stock No. 902-7644
Mfr. Part No.BOS R-22
BrandBALLUFF
TWD666.00
Each
units
Rectangular Laser Retroreflective Sensor, Photoelectric Sensor - 61.8mm 51mm 61.8 x 51 mm
RS Stock No. 303-0470
Mfr. Part No.PL20A
BrandSick
TWD405.00
Each
units
- Retroreflective Sensors - - - -
RS Stock No. 818-4143
Mfr. Part No.E39R3
BrandOmron
TWD935.00
Each
units
Rectangular Retro Reflective Photoelectric Sensors with M.S.R, Retro Reflective Photoelectric Sensors without M.S.R - 22.5mm 38mm 22.5 x 38 mm
RS Stock No. 832-0191
Mfr. Part No.BRT-77X77C
BrandBanner
TWD1,013.00
Each
units
Square MINI-BEAM, RMB100, RMB85, SMBAMSR85P - 84.5mm 84.5mm 84.5 x 84.5 mm
New
RS Stock No. 203-1042
Mfr. Part No.REF-MH82
TWD747.00
Each
units
- Photoelectric Sensors - 82mm 60mm 82 x 60 mm
RS Stock No. 832-0179
Mfr. Part No.BRT-53X19A
BrandBanner
TWD369.00
Each
units
Rectangular VALU-BEAM 915 Series Sensor - 72mm 19mm 72 x 19 mm