G GRIMM A MEMBER OF DURAG GROUP

Optical, electrotechnical and electronic measuring apparatus, in particular for measuring fine dust, nanoparticles, gases, vapors, and aerosols; measuring apparatus and test benches for measuring the efficiency and filtration capacity of filter systems; scientific apparatus for determining particle size or particle size distribution, the number and size of particles; filter testing apparatus, namely, laboratory optical devices, non-medial respirator masks, aerosol spectrometers, counters and sizers using optical laser scattering, and portable aerosol spectrometers; scientific apparatus for determining particle load in air, gases, vapors and aerosols; aerosol and dust generators for calibration and to simulate medical or toxicological use; identity cards and identity passes, magnetic; apparatus for recording, collating and evaluating data; electronic computers for controlling and regulating their peripheral devices, in particular screens, printers and test desks and remote control apparatus; software for controlling and regulating electronic computers used for controlling and regulating their peripheral devices, in particular screens, printers and test desks and remote control apparatus

Calibration and function testing of measuring apparatus; engineering, namely, scientific and industrial research in the field of aerosol technology, construction drafting; providing technical advice in the field of scientific and industrial research; computer programming for logging, processing, evaluating and storing measurements, and for controlling and regulating measuring apparatus