| 摘要 |
Customary precipitation meters (1) are placed 1 m above the ground (13) and change the electrical field in the air. In combination with the polarity of the precipitation this results in considerable differences in the distribution of the precipitation in the area of the catcher opening of the catcher vessel (2) which cause errors in the measurement results. According to the design according to the invention, these disturbing influences are compensated for, eliminated or limited by grounding or changing the installation or the field strength regulator (11). <IMAGE>
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