Particle size analysis from 0.1µm to 3,500 µm using LALLS with up to 217 measuring points

Sympatec’s well established HELOS-Laser-Diffraction-Series together with the unequaled dry dispersing system RODOS provides a reliable technology for particle size distribution analysis of powders, aerosols, sprays suspensions etc. for already more than 25 years.

The modular instrument concept enables product oriented applications by multiple dispersing and dosing systems: dry products have to be dispersed dry, whereas suspensions need to be analyzed wet and sprays of course as aerosols. The solely use of classic laser diffraction in parallel beam with all optical components consequently aligned properly along the optical axis is singular with the HELOS-Sensors. This setup guaranties a high reliability of measurements as well as a good comparability of the measuring instruments to each other.

Premium optical modules allow for selection of the optimal measuring range for highest resolution of the samples to be characterized. Up to 7 focal distanced harmonically replenish each other, while by means of a multi element detector each of it provides 31 single measuring points.

The brand new R-Series has decisively increased the options of HELOS-Sensors by the new automatic measuring range combination and now enables even a complete analysis also of extremely wide distributions covering a ratio x90/x10 > 1000 in parallel laser beam by so called LALLS (Low Angle Laser Light Scattering). This means that up to four independent measuring ranges from 0.1 µm up to 3,500 µm can be actuated in one measurement automatically.

From these up to 124 reported intensities a single particle size distribution is evaluated covering the total measuring range while showing up to 57 classes depending on the overlap of the single measuring ranges.