For those seeking a short answer: no. There is no significant difference in the results of measurements for micron or CV made on midside fleece samples between different types of machines.
But the answer can be made longer. Curvature, when measured using the same samples, showed significant variations between optical and laser methodology. And optical methods of measurement proved less reliable when trying to assess whole fleeces using grid samples, due largely to the limitations of sampling.
To better understand the discussion, one must first understand the different methods used for measuring fibre, and their application in different types of testing machines. more »