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Laser Diffraction Principles

April 2, 2017

This is a simple description. For detailed explanations see articles: Laser Diffraction-101 and -201. Particle Size Distribution  (PSD) is a multi-parameter description of how the total concentration of particles is distributed into many size fractions....

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Turbidity vs Laser Diffraction – why LD is better

April 29, 2016

Last updated: 11 May 2016  Turbidity as a surrogate for suspended sediment concentration (SSC) is commonly used and deeply established in practice. The shortcomings of turbidity as a surrogate for SSC are: The calibration changes with grain size; The...

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What is the acceptance angle of the LISST instruments?

October 11, 2013

The acceptance angle of the LISST-100X / LISST-STX transmission measurement differs between instruments: IN AIR, the LISST-100X type C has an acceptance angle of 0.0177 degrees while a type B has an acceptance angle of 0.0353 degrees. The discontinued...

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