Kg fp 1110 137 9 selection criteria for proximity

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Unformatted text preview: proximity sensor are and the environmental factors to be taken into account. Once all these requirements have been established, a suitable proximity sensor can be selected from the various alternative products on offer. A systematic listing of the above mentioned criteria is set out overleaf. 9.1 Object material Electrically conductive material – Steel – Stainless steel – Brass – Copper – Aluminium – Nickel – Chromium – Metal-coated, electrically non-conductive materials, depending on specific coating thickness – Graphite © Festo Didactic GmbH & Co. KG • FP 1110 137 9. Selection criteria for proximity sensors Electrically non-conductive material – Plastics – Cardboard, paper – Wood – Textiles – Glass Nature of non-conductive materials – Optically transparent or non-transparent – Optical reflex ability of surface (absorbent to reflecting) – Homogenous, non-homogenous (e.g. composite material) – Porous, fibrous – Solid, liquid, loose material – Dielectric constant Size and shape – Dimen...
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This note was uploaded on 11/01/2012 for the course CHEMICAL 102 taught by Professor Jamesrodriguez during the Spring '12 term at Universidad Politécnica de Cartagena.

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