Harting Sbírka katalogů říjen 2013

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Vydal: HARTING s.r.o. Autor: HARTING

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6.6. 162 ____________________________________________________________ 4.4 Homogeneous Field Electrical field with basically constant-voltage gradients between the electrodes (homogeneous field), such the electrical field between two spherical bodies whose radii are larger than the distance between them. Degree pollution 3 Conductive pollution occurs dry, non-conductive pollution, which becomes conductive result condensation, which expected (industrial and agricultural plants, unheated storage rooms, workshops, boiler rooms). has no influence (air-conditioned clean and dry rooms).1. .1.Degree pollution 1 No pollution only dry, non-conductive pollution occuring.5 Inhomogeneous field Electrical field with basically non-constant voltage gradients between the electrodes (inhomogeneous field). Degree pollution 4 This pollution generates persistent conductivity, for example, result of conductive dust, rain snow (outdoor and open-air locations). Degree pollution 2 Only non-conductive pollution occurs except that occasionally temporary conductivity caused condensation expected (sales rooms, fine- mechanic workshops, laboratories, test labs, medical rooms). 4