Precipitation measuring system

Details Precipitation measuring system Precipitation measuring system

1998-06-26

2000-03-21

Oen, William

Measuring and testing

Meteorology

Precipitation

G01W 100

Patent

active

060389206

ABSTRACT:
The precipitation measuring system is used for electronically measuring the amounts of rain, snow, hail or the like, with the use of a load cell. The system comprises a second frame mounted within a first frame. The second frame bears the collector and a load cell connects the second frame to the first frame. The load cell comprises a strain gauge bridge which is used to convert strain variations in the load cell into electrical conditions altering an electric current. These electrical variations correspond to weight variations occurring when the amount of precipitations in the collector varies and are then recorded by a recording device such as a computer. One advantage of the present invention is that the static and dynamic friction are eliminated, which greatly improves the precision and reliability of the system over the ones presently in operation. The calibration procedures are also simplified.

REFERENCES:
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patent: 4344496 (1982-08-01), Langlais et al.
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patent: 4726435 (1988-02-01), Kitagawa et al.
patent: 4893506 (1990-01-01), Shyu et al.
patent: 5048331 (1991-09-01), Hattori et al.
patent: 5220971 (1993-06-01), Farr
patent: 5293007 (1994-03-01), Darst et al.

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