The visibility sensor DPA 305 with measuring range of 2km is designed to detect fog in roads and tunnels.
It has both digital and analogic outputs, and relays for external device.
The sensor can be integrated in smart transport systems and is used to automate warning signals when changing visibility conditions.
Water particle analysis DPA311 with different shapes in air and fog, rain, and snow. Can measure the visibility, and type of rainfall including intensity and accumulation.
