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. 764-3878
Mfr. Part No.BRT-2X2
BrandBanner
$15.76
Each
units
Square Q45BB6LL Series - 51mm 51mm 51 x 51 mm
RS Stock No. 832-0052
Mfr. Part No.BRT-1
BrandBanner
$8.92
Each
units
Round VALU-BEAM 915 Series Sensor 25 mm - 5.1mm 25 (Dia.) x 5.1 mm
RS Stock No. 191-9832
Mfr. Part No.E20004
$19.22
Each
units
Round E3T Models 42 mm - - -
RS Stock No. 818-4134
Mfr. Part No.E39R8
BrandOmron
$29.13
Each
units
Square Retro Reflective Photoelectric Sensors with M.S.R, Retro Reflective Photoelectric Sensors without M.S.R - 100mm 100mm 100 x 100 mm
RS Stock No. 816-7568
Mfr. Part No.RF20
$5.91
Each
units
Round XUJ Photo Electric Sensor 60 mm - - -
RS Stock No. 832-0175
Mfr. Part No.BRT-51X51BM
BrandBanner
$63.95
Each
units
Square MINI-BEAM, PicoDot Sensor, QS18, QS30, RMB50 - 61mm 51mm 61 x 51 mm
RS Stock No. 786-5968
Mfr. Part No.PL40A
BrandSick
$26.93
Each
units
Rectangular Retroreflective Sensors - 60mm 40mm 60 x 40 mm
RS Stock No. 832-0141
Mfr. Part No.BRT-42A
BrandBanner
$18.21
Each
units
Round VALU-BEAM 915 Series Sensor 42 mm 60mm 6.8mm 60 x 6.8 mm
RS Stock No. 764-3890
Mfr. Part No.BRT-THG-2-100
BrandBanner
$219.01
Each
units
- 915 Series, Pico-Gaurd Fibre Optic Safety Interlock System - 2.5m 50mm 2.5 m x 50 mm
RS Stock No. 121-2729
Mfr. Part No.P250F
BrandSick
$26.93
Each
units
Square Retroreflective Sensors - 47mm 47mm 47 x 47 mm
RS Stock No. 764-3881
Mfr. Part No.BRT-THG-3-100
BrandBanner
$312.17
Each
units
- 915 Series - 2.5m 75mm 2.5 m x 75 mm
RS Stock No. 764-3869
Mfr. Part No.BRT-3
BrandBanner
$15.26
Each
units
Round SM312LP Series, SM312LV Series, SM312LVAG Series 84 mm - 9mm 84 (Dia.) x 9 mm
RS Stock No. 902-7629
Mfr. Part No.BOS R-16
BrandBALLUFF
$13.19
Each
units
Round Laser Retroreflective Sensor, Photoelectric Sensor 21 mm - 5mm 21 (Dia.) x 5 mm
RS Stock No. 265-2754
Mfr. Part No.P250
BrandSick
$24.68
Each
units
- W11-2 Series - - - -
RS Stock No. 902-7644
Mfr. Part No.BOS R-22
BrandBALLUFF
$41.57
Each
units
Rectangular Laser Retroreflective Sensor, Photoelectric Sensor - 61.8mm 51mm 61.8 x 51 mm
RS Stock No. 326-7262
Mfr. Part No.E39R4
BrandOmron
$49.38
Each
units
Rectangular E3T Models - 23mm 13.7mm 23 x 13.7 mm
RS Stock No. 810-3087
Mfr. Part No.RF-230
BrandPanasonic
$20.73
Each
units
Rectangular NX5-PRM5 Series, NX5-RM7 Series - 49.3mm 50.3mm 49.3 x 50.3 mm
RS Stock No. 191-9860
Mfr. Part No.E20452
$16.73
Each
units
Rectangular Retro Reflective Sensors - 45mm 28mm 45 x 28 mm
RS Stock No. 818-4131
Mfr. Part No.E39R7
BrandOmron
$21.54
Each
units
Round Photoelectric Sensors with and without M.S.R.*1 84 mm - 7.4mm 84 (Dia.) x 7.4 mm
RS Stock No. 781-5985
Mfr. Part No.REF-H85-2
$47.17
Each
units
Rectangular REF-H85-2 - 84.5mm 84.5mm 84.5 x 84.5 x 8.7 mm
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