Contact Us Present Weather Sensor FS11P Traceable visibility measurement and precipitation type detection Runway visual range (RVR), aeronautical and synoptical visibility and present weather observation for demanding weather applications. Features Detects precipitation type and intensity Well suited for synoptic and aeronautical applications The most widely proven forward scatter RVR sensor, selected and used by FAA Meets FAA and ICAO specifications for RVR and visibility measurement The most widely proven present weather sensing technology Meets ICAO frangibility standards + Show more Key Benefits Excellent value RVR, visibility and present weather all-in-one. Measures visibility up to 75 km. Minimal look-down geometry The second is "head-down" design of the optical heads, which protects them against virtually all windblown particles (even those flying horizontally). Reliability Four main design features (e.g.an optical path clearance monitoring circuitry) are combined in the FS11P to ensure reliable operation in the harshest weather. Downloads Datasheet: Present Weather Sensor FS11P (527.74 KB) Vaisala News Article: Measuring Weather at the Highest Airport in the World (114.86 KB) All downloads Customer Stories Success Story Measuring weather at the highest airport in the world Located well over 4 km above sea level, Daocheng Yading Airport in China constitutes the highest civil airport in the world. With Vaisala’s high... Read more Need support? Sign up for news Contact us
Success Story Measuring weather at the highest airport in the world Located well over 4 km above sea level, Daocheng Yading Airport in China constitutes the highest civil airport in the world. With Vaisala’s high... Read more