Particle Measuring Systems

Two-Dimensional Optical Array Precipitation Probe

  • See the description of the 2DC probe. The 2DP only differs in that it has a larger opening between the arms to increase the sample volume for large hydrometeors and it has 200 or, recently, 100 micrometer resolution in place of the 25 micrometer resolution of the 2DC. It also is less subject to uncertainties arising from the depth-of-field for small particles because, above 200 micrometers, the depth of field exceeds the gap between the arms.

 

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