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德國L.U.M. GmbH 
利用粒子移動受重力或離心力所驅動以及光學近紅外檢測的理論基礎，德國LUM儀器公司開發了專利技術的全功能穩定分析儀系列產品，可以對樣品進行分散性、產品存放期、分層穩定性以及粒徑大小和粒徑分布（百分比率分布）等性能分析，廣泛適用于產品的研究、開發、配方改進、流程優化、質量保證等。 LUMiSizer 更被 ISO認定可以準確分析試樣的粒徑（Particle Size）和分布。

The L.U.M. GmbH is one of the leading producers for analytical devices for dispersion analysis and particle characterization. The company has developed the innovative STEP?-Technology, which is the technical platform for different product lines. The produced measuring equipment is used for the fast, reliable and comprehensive characterization of any demixing phenomena in dispersions as well as for the measurement of Particle Size Distributions in concentrated dispersions. The innovative devices are part of standard laboratory equipment in leading international companies of chemical, food, cosmetics, pharmaceutical and paint/pigment industries.