Grimm Aerosol Technik NewsContent:
Online and continuous nanoparticle size distribution measurements of a pellet burner When: Tuesday 20.4.2010 15:00 Uhr (3 pm) Abstract: Although current evaluation measurements are typically mass... Registration and more information...Grimm (1.108/1.109) Spectrometer plus NANO-Check (1.320)Grimm (1.108/1.109) Spectrometer plus Nano-Check (1.320)
 The spectrometers of the series 1.100 are light small portable units with a size of 24 x 12 x 6 (cm) and a weight of approx. 1.7 Kg + battery (0.7 Kg), used for the continuous measurement of particles in the air (aerosols). The highest reachable time resolution which can be used with this world wide unique single particle counter instrument is 1s. The results of a measurement are shown in one of two modes: particle concentration as µg/m³. Particles are classified in size channels which amount to 16 channels for the model 1.108 and 31 channels for the model 1.109.
The NanoCheck sensor consists of an aerosol Faraday cup Electrometer, combined with an unipolar corona charger and a time multiplexed electrode for conductivity measurement. The result of the conductivity measurement combined with the diffusion charger, the current of the aerosol electrometer and a calibration factor enables this setup to reach a total number concentration range of 500 to > 10exp6 particles/cm³ and an average particle diameter range of 25 to 300nm. Therefore, the above-described compact system can be used for determination of particle number-, surface-, volume- and mass-distribution from 25nm to 32 µm with more than 30 size channels, as well as occupational helath monitoring according to EN 481, i.e., inhalable, thoracic and alveolic mass fractions, plus nanoparticles. |
Grimm at Powtech 201027. - 29.4.2010 at Nuremberg
Halle 5 Stand 418
 Grimm EDM 180 passes the Equivalence test for the EnvironmentGrimm EDM 180 passes the Equivalence test for the Environment
 The standard 19" rack Environmental Dust Monitor (EDM) of the series 180 have been tested in Europe at different sites and fulfilled the requirements in accordance to the European regulation for PM-10 and also PM-2.5. Therefore this is the first unit of this optical kind able to report officially both values in 1 min intervalls (FOTO im Anhang) In addition this version has also the capability to present the PM-1 value as well as the Tc Value (Total Count, a new way to explain the aerosol distribution in the atmosphere). This will help in the understanding of the mass concentration and is a continuous measurement level of the air (aerosols). With this technology it is possible to measure also the concentration of the Semi-Volatile Compounds (SVC) in the atmosphere.
Those values are also available as PM 10 and PM-2.5 mass values in real time. More details under EDM 265.
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