The Micro-Scanner measures visible dirt with the correct illumination and automatic thresholding according to Tappi Test Method T563 and ISO 5350-4 [no operator adjustments]. The Micro-Scanner also

The Large Sheet In-speck-tor – A4 (LSI-A4) measures dirt specks in pulp and paper according to ISO/CEN 5350-4, TAPPI T563 & Paptac D35 standard methods.