... is that a laser light source irradiates on the particles; then the solid state detector detects the scattered light; and at last, the optical signals ... 0.65, 0.8, 1.0, 1.6, 2, 3, 4, 5, 7.5, 10, 15, 20 umCount Range : 1 to ... min.Counting efficiency : 50% at 0.3 um, 95% at 0.5 umSample flow : 1.2 l/min (Built-in Pump ... supply : 100 ~ 240VAC, 60Hz (12.6 VDC, 1.2 A)Dimension & Weight : 180 x 95 x 65 mm, 1 ...