|WORLD METEOROLOGICAL ORGANIZATION||
|Explanation of the criteria for classification and numbering of components||
|Explanation of the dates on the component's description|
RECORDING RAIN GAUGE
1. Purpose and objectives
To measure and
record the amount and the intensity of rainfall.
This recording rain gauge utilizes a tipping bucket-type rainfall detector and a mechanical pen recorder suitable for long-term (3 months) operation at sites without line electricity supplies, such as in mountain regions. Every 3 months it is necessary to change the roll chart and the dry cell battery for the chart feed crystal clock.
receiver has a 200mm diameter and bucket capacity 0.5mm or 1mm.
It is accurate to within 3% for intensities of less than 100mm/h.
5. Operational requirements and restrictions
installation site of the instrument, a location should
be selected where there are no surrounding obstacles such as
large trees, buildings, and ground surface is flat.
6. Form of presentation
and instrument specifications are available.
7. Operational experience
About 30 sets
were installed in Japan in 1999.
8. Originator and technical support
10. Conditions on use
|(First entered: 01 FEB 93||
Last updated: 21 APR 00)