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. 121-2730
Mfr. Part No.PL10F
BrandSick
HK$99.20
Each
units
Square Retroreflective Sensors - 18mm 18mm 18 x 18 mm
RS Stock No. 857-3307
Mfr. Part No.ER100
HK$353.79
Each
units
Rectangular Retro Reflective Photoelectric Switches - 100mm 100mm 100 x 100 mm
RS Stock No. 265-2776
Mfr. Part No.PL80A
BrandSick
HK$249.64
Each
units
- W11-2 Series - - - -
RS Stock No. 265-2748
Mfr. Part No.C110A
BrandSick
HK$177.36
Each
units
- Retroreflective Sensors - - - -
RS Stock No. 832-0119
Mfr. Part No.BRT-35X35B
BrandBanner
HK$110.28
Each
units
Square QS30 - 42mm 35mm 42 x 35 mm
RS Stock No. 816-3777
Mfr. Part No.RF13
HK$49.08
Each
units
Rectangular XUJ Photo Electric Sensor - 82.55mm 38.1mm 3.25 x 1.5 in
RS Stock No. 832-0125
Mfr. Part No.BRT-40X19AM
BrandBanner
HK$88.66
Each
units
Rectangular QS30 - 60.2mm 19.3mm 60.2 x 19.3 mm
RS Stock No. 832-0129
Mfr. Part No.BRT-40X20AM
BrandBanner
HK$93.92
Each
units
Rectangular - - 42mm 20mm 42 x 20 mm
RS Stock No. 832-0175
Mfr. Part No.BRT-51X51BM
BrandBanner
HK$328.79
Each
units
Square MINI-BEAM, PicoDot Sensor, QS18, QS30, RMB50 - 61mm 51mm 61 x 51 mm
RS Stock No. 832-0179
Mfr. Part No.BRT-53X19A
BrandBanner
HK$93.92
Each
units
Rectangular VALU-BEAM 915 Series Sensor - 72mm 19mm 72 x 19 mm
RS Stock No. 831-5984
Mfr. Part No.E39-R21
BrandOmron
HK$298.04
Each
units
Rectangular E3NC Series - 35mm 30mm 35 x 30 mm
RS Stock No. 808-9064
Mfr. Part No.RF-220
BrandPanasonic
HK$89.17
Each
units
Rectangular NX5-PRM5 Series, NX5-RM7 Series - 34.3mm 35.3mm 34.3 x 35.3 mm
New
RS Stock No. 203-1042
Mfr. Part No.REF-MH82
HK$199.06
Each
units
- Photoelectric Sensors - 82mm 60mm 82 x 60 mm
RS Stock No. 121-2728
Mfr. Part No.PL31A
BrandSick
HK$219.64
Each
units
Rectangular Retroreflective Sensors - 56mm 28mm 56 x 28 mm
RS Stock No. 786-5968
Mfr. Part No.PL40A
BrandSick
HK$139.49
Each
units
Rectangular Retroreflective Sensors - 60mm 40mm 60 x 40 mm
RS Stock No. 191-9854
Mfr. Part No.E20454
HK$160.11
Each
units
Rectangular Retro Reflective Sensors - 95mm 95mm 95 x 95 mm
RS Stock No. 832-0181
Mfr. Part No.BRT-60X40C
BrandBanner
HK$152.61
Each
units
Rectangular Q12, QM26, RMB50 - 60mm 40.5mm 60 x 40.5 mm
RS Stock No. 832-0113
Mfr. Part No.BRT-40X18A
BrandBanner
HK$90.72
Each
units
Rectangular VALU-BEAM 915 Series Sensor - 60mm 18mm 60 x 18 mm
RS Stock No. 832-0157
Mfr. Part No.BRT-48X32A
BrandBanner
HK$117.49
Each
units
Rectangular VALU-BEAM 915 Series Sensor - 65mm 32mm 65 x 32 mm
RS Stock No. 195-1804
Mfr. Part No.XUZC50HP
HK$174.12
Each
units
Square Reflex Photo Electric Sensor - 51mm 51mm 51 x 51 mm
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