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Aerosol research and science

Solutions for aerosol research and science

For over 40 years, GRIMM AEROSOL TECHNIK, a DURAG GROUP company, has been developing innovative measuring instruments for the analysis of aerosol particles. Our systems measure particle sizes, distributions, and concentrations with the highest precision – from ultra-fine nanoparticles to large aerosols. Scientists around the world rely on our solutions to visualize complex processes in the environment, industry, and research.

Extensive expertise in aerosol research

As part of the DURAG GROUP, GRIMM AEROSOL TECHNIK stands for the highest quality in particle measurement technology. Our measuring devices are used in laboratories, measuring networks, and field campaigns worldwide to characterize aerosols, identify sources, and understand their effects. From basic research to applied science, we offer reliable solutions that enable accurate measurements in real time. Our range of services includes:

  • Aerosol generation
  • Aerosol neutralization
  • Aerosol conditioning
  • Aerosol counting and sampling
  • Aerosole classification
  • Portable particle size distribution measurement
  • Nano particle size distribution measurement

Download aerosol research and science brochure here

Unlocking the invisible: Every particle, every size, every solution

Here you will find a selection of our products and accessories for aerosol research and science. Click on the plus signs for more information. Please note: The illustrations are not true to scale.
add_circle_outline check_circle UAG 7811

UAG 7811

Universal aerosol generator UAG 7811
Universal aerosol generator for producing aerosols by atomization from liquids, suspensions and solutions such as NaCl, DEHS and PSL. Completely standalone operation, no external compressed air supply required. Features adjustable nebulizer and dry dilution air flows to control the aerosol size distribution.
add_circle_outline check_circle DustDecoder 11-D

DustDecoder 11-D

Portable aerosol spectrometer
Portable and compact optical aerosol spectrometer for determining all dust mass fractions such as PM10, PM2.5, inhalable, respirable and more, as well as particle number size distributions from 0.253 … 35.15 µm. An ideal solution for reliable real-time measurements in aerosol research and indoor air quality.
add_circle_outline check_circle 7813 | 7814

7813 | 7814

Silica gel based diffusion dryers 7813 | 7814 from GRIMM AEROSOL TECHNIK
Silica gel based diffusion dryers. Reduces humidity of sample air flows up to 5 l/min, for example downstream of particle generators or to condition the aerosol sample flow for size spectrometers. Available in two lengths. Tube connection without tools with 8 mm quick-release fittings.
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5523

GRIMM 5523: Aerosol neutralizer based on the radioactive decay of 63Ni
This aerosol neutralizer works based on the radioactive decay of 63Ni and is compatible with GRIMM SMPS+C and SMPS+E systems. It provides all benefits of radioactive source based neutralizers, however does not require a special handling licence
add_circle_outline check_circle SMPS+C

SMPS+C

Mobilitäts-Partikelgrößenspektrometer SMPS+C von GRIMM AEROSOL TECHNIK
Scanning mobility particle sizer using a condensation particle counter for detection. Determines the particle size distribution of an aerosol starting from 3 nm with the S-DMA, up to 1,090 nm with the L-DMA. Can be combined with a GRIMM dust monitor to create a wide-range aerosol spectrometer.
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5540

Silica gel based dryer and activated carbon filter
Reduces humidity and purifies air flows up to 20 l/min. Particularly useful for conditioning the sheath air flow of a DMA to ensure reliable and reproducible flow conditions. Maintenance and tube connection without tools with 8 mm quick-release fittings.
add_circle_outline check_circle PSMPS

PSMPS

Size magnifier-based nano particle size spectrometer
Scanning mobility particle sizer including a particle size magnifier and using a condensation particle counter for detection The only instrument that allows reliable high resolution particle size distribution measurements down to 1 nm. The ideal tool for studying new particle formation and growth processes.
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SMPS+E

Electrometer-based nano particle size spectrometer
Scanning mobility particle sizer using a Faraday cup electrometer for detection. A versatile instrument for fast measurements of the particle size distribution, especially for high concentration aerosol. Offers high variability of accessible size ranges and adjustable user settings.
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5524-X

Soft X-ray aerosol neutralizer
This aerosol neutralizer works with soft X-Ray radiation instead of radioactivity. It is therefore not subject to transport or storage regulations and no special handling licence is necessary
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5483

Sample airflow splitter
Splits one aerosol flow into up to four streams to supply several measurement instruments with the same aerosol. Particularly useful in instrument calibration and comparison studies. Made from stainless steel with one 8 mm tube inlet and four 6 mm tube outlets.
add_circle_outline check_circle WOX 7860

WOX 7860

Tungsten oxide nanoparticle generator
Evaporation-condensation type particle generator using sublimation of tungsten oxide to produce well-defined aerosols in the size range of 1.2 … 20 nm. Features three adjustable air flows to tailor the aerosol size distribution in size and concentration to the experimental needs.
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CPC 5412

Condensation particle counter
Compact instrument for nanoparticle counting with integrated pump and saturator shutter (feature of all CPC and SMPS+C systems) for prompt transport without drying. Working fluid butanol, calibrated at a D50 = 4.0 nm or alternatively at a D50 = 10 nm for UFP monitoring as per EN 16976. Available as 19″ variant.
add_circle_outline check_circle FCE 5705

FCE 5705

Faraday cup electrometer
The FCE 5705 faraday cup aerosol electrometer is the trusted reference for nanoparticle counting. Designed for calibration, research, and emissions testing, it offers traceable measurements, no consumables, and full compliance with ISO and EU standards.
add_circle_outline check_circle ESP 5561

ESP 5561

Electrostatic nanoparticle sampler
This electrostatic nanoparticle sampler collects electrically charged particles from 0.8 … 1,100 nm at sample flow rates of 0.3 … 5.0 l/min by electrostatic deposition onto a variety of substrates for off-line analysis. Can be directly coupled to a GRIMM DMA to collect sizeselected particles.
add_circle_outline check_circle MiniWRAS 1371

MiniWRAS 1371

Portable wide-range aerosol spectrometer
The only instrument combining an optical aerosol spectrometer for micron-sized particles and a diffusion charger-based nanoparticle spectrometer in one portable housing. Outputs the particle size distribution from 10 nm to 35 µm and dust mass fractions in one data set. The ideal unit for mobile aerosol monitoring.

Precise measurement technology for various applications

Our systems are specially designed to meet the requirements of scientific aerosol research. They provide high-resolution data on particle sizes, distributions, and concentrations – essential for a deep understanding of aerosol processes in the laboratory and in the field. Typical areas of application:

  • Atmospheric research – Investigation of the formation of new particles, growth processes, and their role in cloud formation and climate systems.
  • Laboratory-based fundamental research – Analysis of the physical and chemical properties of particles under controlled conditions.
  • Nanoparticle characterization – Measurement of the size and number of ultrafine particles, e.g., for nucleation and cluster formation studies.
  • Comparison and validation measurements – Calibration and evaluation of other measurement methods or simulation models.
  • Field studies in complex environments – Use of mobile systems for real-time measurement of natural and anthropogenic aerosols.

How nanoparticle measurement works

Our video explains step by step the measuring principle of the SMPS+C scanning mobility particle sizer – from sampling and electrical classification to particle counting. Discover how state-of-the-art technology makes the smallest particles visible.

Successful cooperations with science and research

GRIMM AEROSOL TECHNIK works closely with leading research institutes and scientific institutions to advance aerosol science. Here is a selection of our projects:

  • Sonnblick Observatory / ACTRIS Research Network: At the Sonnblick Observatory at an altitude of 3,106 meters, the GRIMM CPC 5421 continuously measures aerosols in alpine air and provides valuable data for climate research, cloud formation, and international measurement networks such as ACTRIS.
    Learn more
  • Leibniz Institute for Tropospheric Research (TROPOS): On board the research vessel METEOR, our AirQualifier EDM 264 aerosol spectrometer provides precise real-time data on particle sizes, dust masses, and weather parameters – even under extreme conditions on the high seas.
    Learn more
  • Purdue University Indiana: As part of the zEDGE‑iRACE (zero Energy Design Guidance for Engineers-indoor Radical and Aerosol Chemistry Experiment) campaign, our mobile PSMPS system recorded ultrafine particles during everyday activities in a tiny house – and gained new insights into sources and pollution of indoor air.
    Learn more
  • Max Planck Institute for Meteorology / Laboratoire de Météorologie Dynamique: During the EUREC4A campaign off Barbados, GRIMM aerosol measurement devices provided data on cloud formation and atmospheric processes in the tropics.
    Learn more
  • University of Innsbruck: As part of the “Citizen Science” project “Atemluft” (Breathing Air) of the Institute for Ion Physics and Applied Physics at the University of Innsbruck, schoolchildren mapped ultra-fine particle pollution on their way to school with the support of GRIMM AEROSOL TECHNIK, thus combining science, education, and environmental awareness.
    Learn more

Products

Accessories

Actively engaged in scientific dialogue

GRIMM AEROSOL TECHNIK regularly attends international scientific events to present the latest developments in aerosol science and promote dialogue with experts. These include, among others:

  • European Aerosol Conference (EAC): The EAC is the most important European conference in the field of aerosol science. Every year, researchers from the fields of physics, chemistry, environmental protection, and health care meet here to discuss the latest findings on the formation, analysis, and effects of aerosols.
  • AAAR Annual Conference: The annual conference of the American Association for Aerosol Research (AAAR) is one of the most important scientific meetings in the field of aerosol research worldwide. It covers a wide range of topics, from atmospheric processes and nanoparticle technology to health effects.
  • UFP Symposium (Symposium Ultrafine Particles): The UFP Symposium is a practical conference focusing on the formation, measurement, and regulation of ultrafine particles. It combines scientific contributions with regulatory developments and is aimed at experts from research, government agencies, and industry.
  • French Aerosol Congress (CFA): The French Aerosol Congress is organized by the Association Française d’Etudes et de Recherches sur les Aérosols (ASFERA). The event provides a platform for exchange on aerosol research and applications in industry, the environment, and health.
  • International Conference on New Advances in Aerosol Science and Technology (ICNAA): The ICNAA is a high-profile international forum for current research in aerosol science. The focus is on new findings on particle formation, measurement technology, atmospheric processes, and their significance for the climate and environment.

Visit us at one of the upcoming events – we look forward to meeting you in person.

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Contact us

Whether you are planning a specific project, would like to find out more about our measuring devices, or are simply looking for expert advice, we are here to help.

Our experts will provide you with expert advice on solutions for your research and help you find the right measurement technology for your requirements.

Let's talk – we look forward to hearing from you.

How to reach us:

GRIMM AEROSOL SALES GmbH & Co. KG

Dorfstraße 9
83404 Ainring
Germany

info@grimm.durag.com
+49 8654 578-0