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Road Surface Conductivity is measured on site in the asphalt road, preferably in each lane.The sensor measures if the road is dry, wet (ice) or if there a salt content at the road surface. The road sensors are suitable for dense asphalt or asphalt with an open structure or brick pavement. The Road Surface Conducticity sensors are manufactured to withstand all forces which are applied to the roads surface due to the traffic as well the influences of heat, cold, rain and ice. The Road Surface Conductivity sensor is made of stainless steel and epoxy. The measuring range is from 0 – 999 μS