-Analyse the yarn structure and detect possible defects. Check the single threads of a twisted yarn; check the single yarn fibres.

-Measure the count of circular section yarns and filaments in Dtex or den .

-Check and measure the quality and shape of Lycra or synthetic multifilament single threads.

-Detect, identify and measure possible impurities contained in textile materials (neps, pollution due to foreign fibre content in a fabric, oil or grease content in a yarn).

-Analyse the compactness of non-woven fabrics.