AQ Guard Smart 2000

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The AQ Guard Smart 2000 is a measuring device designed to measure particle concentrations in the ultrafine range, which typically cannot be detected by optical aerosol photometers or spectrometers due to their small size, but which have a significant impact on health according to the WHO.

Currently, no legal regulations or limits have been established for ultra-fine particle concentrations and masses. Mass limits like PM2.5 and PM10 can be measured well with gravimetric methods, at the latest for smaller PM1 fractions of ultrafine fractions are difficult to estimate and can be evaluated meaningfully only by the determination of the particle concentration.

In this case, valuable and maintenance-intensive condensation particle counters are usually used, which in combination with a size-classifying system (Scanning Mobility Particle Sizer) provide information about the particle size distribution and concentration.