Table of Contents
1. About This Document..................................................................................... 5
1.1 Version Information.............................................................................................5
1.2 Related Manuals...................................................................................................5
1.3 Documentation Conventions............................................................................. 6
1.4 Trademarks...........................................................................................................6
1.5 Regulatory Compliances.....................................................................................6
2. Product Overview............................................................................................. 9
2.1 Introduction to Vaisala Radiosonde RS41.........................................................9
2.2 Unwinder.............................................................................................................10
2.3 Packing................................................................................................................. 11
2.4 Product-Related Safety Precautions............................................................... 12
2.5 ESD Protection................................................................................................... 12
2.6 Lithium Battery-Related Precautions.............................................................. 13
3. Operation............................................................................................................ 15
3.1 Preparing the Sounding.................................................................................... 15
3.2 Preparing the Radiosonde Balloon..................................................................15
3.2.1 Handling the Balloon...................................................................................15
3.2.2 Filling the Balloon........................................................................................16
3.3 Preparing Optional Sounding Accessories....................................................20
3.3.1 Totex Parachute 5710-5...............................................................................21
3.3.2 Non-Totex Parachute...................................................................................21
3.4 Preparing RS41 Unwinder.................................................................................22
3.4.1 Detaching Unwinder Stick......................................................................... 22
3.4.2 Handling the Unwinder String...................................................................23
3.4.3 Attaching the Unwinder to the Balloon...................................................24
3.5 Preparing the Radiosonde with Ground Check Device RI41........................25
3.6 Preparing RS41 Sensor Boom..........................................................................29
3.7 Checking the LED Light................................................................................... 30
4. Storage and Transportation.........................................................................31
4.1 Storage................................................................................................................ 31
4.2 Transportation.................................................................................................... 31
4.2.1 Transporting RS41 Radiosondes with Lithium Batteries.........................31
Appendix A:
Safety Instructions for Balloon Operators...........................33
Appendix B: Radiosonde Warranty...................................................................35
Technical Support...................................................................................................... 37
Recycling....................................................................................................................... 37
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