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OPTICAL SENSORS FOR MEDICAL TECHNOLOGY










            Ultra-flat enclosure                                                         Optical detection of transparent surfaces


            In many applications, what is important is the dimension                     Detecting  transparent  objects  with  high  precision  –  a
            perpendicular to the optical axis, that means perpendi-                      difficult task. A whole range of STM sensors is specifi-
            cular to the mounting direction. Then extremely flat de-                     cally designed to generate reliable signals on transpa-
            signs are sought.                                                            rent surfaces.

                                                                                         u Usually the signal amplitudess that can be generated
                                                                                            with standard sensors are simply not big enough to
                                                                                            ensure reliable functioning over all operating states.
                                                                                            The usual trick with polarized light often doesn’t help
                                                                                            either.


                                                                                         u STM sensors such as RLV74/S81 or RLV49V specifically
                                                                                            use the total reflection of surfaces and thus generate
            u Sometimes there are installation conditions in which                          reliable signals with simultaneously very good depth
               every tenth of a millimeter in part height counts. The                       resolution. If need be, they can also take on such diffi-
               ultra-flat sensors of the RLF24 type are unrivalled with                     cult tasks as detection of transparent objects through
               1.7 mm overall thickness. Ideal for integrating in grip-                     transparent surfaces.
               pers or guides. With an overall weight of 1.6 grams and
               highly flexible cables, they present no problem when                      u We are happy to support you beforehand in the selec-
               installing into quickly moving machine parts.                                tion of an optimal sensor combination for your appli-
                                                                                            cation.
            u Or the GLS 421 micro-fork: an enclosure thickness of
               1.2 mm, stainless steel and object resolution of 0.1 mm
               are its characteristic features.









            You find more information www.stmsensors.com
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