|WORLD METEOROLOGICAL ORGANIZATION||
|Explanation of the criteria for classification and numbering of components||
|Explanation of the dates on the component's description|
OVERHEAD FLOAT THROWER
1. Purpose and objectives
installation for dropping floats to measure surface velocity of fast
flowing rivers during floods when a current meter may not be used.
cable way is used to support the float dropper which can hold from 10
to 15 floats. The floats can be dropped singly by turning a handle.
5. Operational requirements and restrictions
Can be used
for rivers up to 500 m wide with surface velocities over 5 m/s.
6. Form of presentation
7. Operational experience
Has been used
successfully since 1964 at many of the hydrometric stations of Hepei
8. Originator and technical support
Bureau of Hepei province, Shijia Zhuang City, China.
10. Conditions on use
Cost of reproduction and mailing.
|(First entered: 05 FEB 81||
Last updated: 07 APR 00)