The new generation of GRIMM nanoparticle electric mobility particle size spectrometer from Germany: SMPS+PSM monitoring particle size range of 11nm-55nm
1nm particle size spectrometer SMPS+PSM
1nm particle size spectrometer
German GRIMM company launches a new generation of nanoparticle electric mobility particle size spectrometer: SMPS+PSM, monitoring particle size: 1.1nm-55nm
New product advantages:
- Integrating German GRIMM's SMPS+C and Finnish AIRMODUS PSM technologies
- Detecting particle size distribution as low as 1.1nm
- Expanding particle size measurement to minimum nanometer units -1nm and molecular clusters
- Scanning, stepping, and unit particle counting modes are available for selection
- The sampling software is easy to operate, automatic and efficient
- External sensors can be used to input required parameters, such as temperature and humidity
- Suitable for real-time detection of rapidly growing aerosol nucleation processes
Where are particles<3nm present?
- The particle size range of most of the particulate matter emitted from automobile exhaust is 1.3-3.0nm
- In roadside environments between cities: 20-54% of the total particle concentration in ambient air is<3nm particulate matter
Particle nucleation process:
Device schematic diagram:
Granularity magnifying glass:
- Can cause condensation and growth of particles as small as 1nm in size
- Using diethylene glycol as the working fluid
- Users can choose the cut-off value of the instrument between 1.3 and 4 nm
- The inlet flow rate is 2.5 LPM to reduce diffusion losses
- Generate particles with a diameter of up to 90 nm
Capture the rapid changes in aerosol nucleation process:
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