Malvern Spraytec particle size measurement system

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Size measurements of aerosols, spray particles and droplets are important for a range of applications, from the delivery of drugs to the human respiratory system through to the application of coatings, agrochemicals and fuel injection systems. Reproducible spray size analysis allows for the process of improving product performance and formulation control. However, sprays present challenges, either in terms of the environment within which measurements have to be made or the speed of the event which must be characterised.

The Malvern Spraytec has been specifically designed to deliver precise aerosol and spray particle size analysis from an easy-to-use platform. Real-time, high-speed measurements ensure the complete characterisation of both pulsed and continuous spray events. Measurements are achieved over a wide size range (0.1–2000 µm), providing high sensitivity to changes in the spray size distribution.

Multiple scattering analysis ensures measurements can be made at high spray concentrations up to 98% obscuration, far beyond the range of operation of traditional laser diffraction systems. Extensive size distribution data is generated rapidly and presented in a form that allows for an instant understanding of the evolution of the spray over time.