The Particles Plus 8303 Handheld Particle Counter measures 0.3 μm to 25.0 μm with a flow rate of 0.1 CFM (2.83 LPM). Easy to configure, this instrument displays up to 3 user-selectable size channels as well as (optional) temperature and relative humidity. View data and generate ISO 14644-1, EU GMP Annex 1 or FS 209E reports. Export to Particles Plus data-software. The 8303 mass concentration mode approximates density in μg/m³ and allows for density and refractive index corrections to ensure accuracy. All Particles Plus counters meet ISO 21501-4 and JIS B9921. The 8303 ensures compliance with an on-board pulse height analyzer. * For details, please contact us or download our catalog.