IR Emitters & Receivers
Reflective switches are solid state devices that suit surface detection applications.
They operate on the principle that infrared light is produced from an emitting diode that in turn is reflected back to a photosensor from a reflective surface.
The emitters and detectors are positioned together on the same face and located in a single package which facilitates ease of mounting. There are two distinct arrangements:-
1) Focussed assemblies which have the emitters and detectors mounted on a converging optical axis used for detecting polished surfaces.
2) Un-focussed assemblies for sensing rough or diffused surfaces.
Reflective switches provide contactless sensing and find applications in process and industrial controls, instrumentation, office equipment and consumer goods.
A range of packages constructions are available and assemblies can be supplied with custom length flying leads with connectors if required.
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