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Disdrometer The disdrometer measures rain drop size distributions continuously
and automatically. This instrument transforms the vertical momentum of an
impacting raindrop into an electric pulse whose amplitude is a function of the
drop diameter. A conventional pulse height analysis yields the size distribution
of raindrops. The drop diameters that it can measure are in the range of 0.3
millimeter to 5 millimeter with an accuracy of ±5%
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