Have you found a weather balloon? Contact Us Radiosonde RS41 The Vaisala Radiosonde RS41 streamlines launch preparations, reduces human errors, and lowers operational costs of upper-air weather observations, while delivering industry-leading data accuracy. The new RS41 features customer-driven design improvements, and enhancements to the humidity and temperature sensors that ensure the data reliability and accuracy customers expect from Vaisala. The latest improvement, the removal of the hard plastic covers, further reduces the environmental impact of the RS41. The Vaisala Radiosonde RS41 combined with the Vaisala DigiCORA® Sounding System MW41 introduces new standards in both technology and usability. Intensive research and design improvements driven by customers make the RS41 and MW41 easy to use and efficient at every stage of the sounding process. Vaisala’s quality, expertise and innovation deliver industry-leading data accuracy for reliable upper-air weather observations. Read about sounding data continuity >> + Show more Key Benefits Superior PTU measurement performance Robust and easy to use design Automated ground check GPS for continuous wind data availability as well as height and pressure calculation Downloads Datasheet: Radiosonde RS41-SG (122.96 KB) Datasheet: MWH322 Datasheet (1.88 MB) Datasheet: Radiosonde RS41-SGP (123.61 KB) Datasheet: Ground Check Device RI41/RI41-B (2.01 MB) Datasheet: Radiosonde RS41-SGM (117.09 KB) Datasheet: Radiosonde RS41-D (120.78 KB) Manual: RS41 Unwinder Quick Guide (351.97 KB) Manual: Vaisala Radiosonde RS41-D User Guide in English (904.69 KB) Manual: Vaisala Radiosonde RS41-SG and RS41-SGP User Guide in English (5.22 MB) Manual: Rigging Instructions for Comparison Sounding (278.42 KB) Manual: Vaisala Radiosonde RS41-SGM User Guide in English (1.51 MB) Brochure: Upper Air Radiosondes Product Spotlight B212215EN-A (292.5 KB) All downloads Product Resources Watch the video RS41 Unwinder rigging to balloon RS41 Unwinder rigging to balloon Read more Watch the video RS41 Unwinder rigging to hanger board RS41 Unwinder rigging to hanger board Read more Watch the video RS41 Unwinder rigging to Totex parachute RS41 Unwinder rigging to Totex parachute Read more Customer Stories Success Story Vaisala celebrates 100 years of Finnish independence as part of the TechLand exhibition in Helsinki Vaisala participates in the TechLand exhibition in the Museum of Technology in Helsinki, Finland. The exhibition is organized as a unique... Read more Success Story Radiosonde – The Invention That Made Vaisala Vaisala's origins date back to the 1930's when Professor Vilho Väisälä, Vaisala's founder and long-time managing director, invented the... Read more Success Story ASECNA Leading the Way in Africa According to the 2014 report published by the Intergovernmental Panel on Climate Change (IPCC), Africa is one of the most vulnerable continents... Read more Need support? Sign up for news Contact us
Success Story Vaisala celebrates 100 years of Finnish independence as part of the TechLand exhibition in Helsinki Vaisala participates in the TechLand exhibition in the Museum of Technology in Helsinki, Finland. The exhibition is organized as a unique... Read more
Success Story Radiosonde – The Invention That Made Vaisala Vaisala's origins date back to the 1930's when Professor Vilho Väisälä, Vaisala's founder and long-time managing director, invented the... Read more
Success Story ASECNA Leading the Way in Africa According to the 2014 report published by the Intergovernmental Panel on Climate Change (IPCC), Africa is one of the most vulnerable continents... Read more