■ To Determine the Number of Particles per Volume Unit of a Liquid
■ 2개 Large Filed (for inscriptions) and 3개 Narrow Ridges (ground and polished)
■ Double Ruling and all group squares with triple boundary lines for counting
■ Particles per μl volume = Counted particles/(Counted surface×chamber depth×Dilution)
■ Complied with DIN 12847
■ LK Labkorea