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. 265-2754
Mfr. Part No.P250
BrandSick
R 272.86
Each
units
- Retroreflective Sensors - - - -
RS stock no. 832-0150
Mfr. Part No.BRT-42D
BrandBanner
R 172.83
Each
units
Round SMB50RFA 42 mm - 9.5mm 42 (Dia.) x 9.5 mm
RS stock no. 764-3878
Mfr. Part No.BRT-2X2
BrandBanner
R 187.31
Each
units
Square Q45BB6LL Series - 51mm 51mm 51 x 51 mm
RS stock no. 857-3307
Mfr. Part No.ER100
R 673.03
Each
units
Rectangular Retro Reflective Photoelectric Switches - 100mm 100mm 100 x 100 mm
RS stock no. 832-0138
Mfr. Part No.BRT-40X23
BrandBanner
R 173.36
Each
units
Rectangular VALU-BEAM 915 Series Sensor - 40mm 23.5mm 40 x 23.5 mm
RS stock no. 816-3768
Mfr. Part No.RF10
R 73.21
Each
units
Round XUJ Photo Electric Sensor 33 mm - - -
RS stock no. 832-0129
Mfr. Part No.BRT-40X20AM
BrandBanner
R 172.83
Each
units
Rectangular - - 42mm 20mm 42 x 20 mm
RS stock no. 764-3881
Mfr. Part No.BRT-THG-3-100
BrandBanner
R 2,876.11
Each
units
- 915 Series - 2.5m 75mm 2.5 m x 75 mm
RS stock no. 832-0191
Mfr. Part No.BRT-77X77C
BrandBanner
R 477.54
Each
units
Square MINI-BEAM, RMB100, RMB85, SMBAMSR85P - 84.5mm 84.5mm 84.5 x 84.5 mm
RS stock no. 832-0175
Mfr. Part No.BRT-51X51BM
BrandBanner
R 299.94
Each
units
Square MINI-BEAM, PicoDot Sensor, QS18, QS30, RMB50 - 61mm 51mm 61 x 51 mm
RS stock no. 902-7644
Mfr. Part No.BOS R-22
BrandBALLUFF
R 322.35
Each
units
Rectangular Laser Retroreflective Sensor, Photoelectric Sensor - 61.8mm 51mm 61.8 x 51 mm
RS stock no. 902-7631
Mfr. Part No.BOS R-9
BrandBALLUFF
R 256.62
Each
units
Rectangular Photoelectric Sensor - 61mm 51mm 61 x 51 mm
RS stock no. 121-2729
Mfr. Part No.P250F
BrandSick
R 367.17
Each
units
Square Retroreflective Sensors - 47mm 47mm 47 x 47 mm
RS stock no. 781-5985
Mfr. Part No.REF-H85-2
R 414.33
Each
units
Rectangular REF-H85-2 - 84.5mm 84.5mm 84.5 x 84.5 x 8.7 mm
RS stock no. 786-5968
Mfr. Part No.PL40A
BrandSick
R 254.94
Each
units
Rectangular Retroreflective Sensors - 60mm 40mm 60 x 40 mm
RS stock no. 265-2776
Mfr. Part No.PL80A
BrandSick
R 543.73
Each
units
- Retroreflective Sensors - - - -
RS stock no. 857-3304
Mfr. Part No.ER42182
R 552.43
Each
units
Rectangular Retro Reflective Photoelectric Switches - 186mm 46.5mm 186 x 46.5 mm
RS stock no. 121-2728
Mfr. Part No.PL31A
BrandSick
R 372.44
Each
units
Rectangular Retroreflective Sensors - 56mm 28mm 56 x 28 mm
RS stock no. 121-2731
Mfr. Part No.PL20F
BrandSick
R 198.66
Each
units
Rectangular Retroreflective Sensors - 38mm 16mm 38 x 16 mm
RS stock no. 808-9064
Mfr. Part No.RF-220
BrandPanasonic
R 197.43
Each
units
Rectangular NX5-PRM5 Series, NX5-RM7 Series - 34.3mm 35.3mm 34.3 x 35.3 mm