... of particle size distribution (particle size ranging from 0.3-25um, 16 particle size channel).The instrument is ... principle : Light ScatteringMeasurement range : 0.3 ~ 20 um in 15 size channelsParticle Size : 0.3, 0.4, 0.5, 0.65 ... , 1.0, 1.6, 2, 3, 4, 5, 7.5, 10, 15, 20 umCount Range : 1 to 1,000, ... 000 particle/literZero count : < 1 per 5 min.Counting efficiency : 50% at 0.3 ...