... 0.1-460micron Automatic feeding BT-9300Z Laser Particle Size AnalyzerSpecifications:Size Range:0. 1-460umRepeatability: <1%( ... : Mie Scattering TheoryLaser source: import semi-conductor laser with lifetime 25000 hrsOperating System: Windows2000, XPConnecting ... , pigment, scientific research teaching, oil exploration, geological analysis, river sediment, electronic material, material of chemical industry ...