LAP 322 Aerosol Spectrometer for analysis of particle size distributions and particle number concentrations in aerosols, monochrome light
Made in Germany. brand TOPAS, model LAP 322
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The LAP 322 Aerosol Particle Size Spectrometer provides the determination of aerosol particle size distributions (0,2 – 40 µm) and particle concentrations.
The LAP 322 based on optical single-particle measurements by means of 90° scattered light measurement. By dint of high number of provided particle size classes a high particle sizing resolution can be realised, as well as a very good classification accuracy (VDI 3867, Part 4 and ISO 21501-1).
The aerosol spectrometer LAP 322 combines sensor, controlled volume flow supply, and signal acquisition in one rugged, handy housing. The included Data Acquisition and Control Software PASWin for standard Windows PCs provides for an easy operability.
The LAP 322 aerosol spectrometer underlies the principle of light scattering. According to size of a particle passing the measuring volume scattered light occurs that is mapped on photo detector situated in 90° direction. Change of collected light at the photo detector is a measure of particle size and is subject to multi channel analysis.
The counting results that are sorted into several channels according to their impulse height represent the basis for determining of number based particle size distribution by means of calculation base and calibration function.
The entire measuring range covers particle sizes from 0,2 µm to 40 µm. It has been proved that only at number concentrations higher than 1E4 #/cm³ noticeable losses in the counting rate are caused by coincidence. By using Topas dilution systems of series DIL the concentration range can reliably be enhanced and coincidence can be reduced to an insignificant scale. The compact design and easy operation allow flexible utilization of aerosol spectrometers of series LAP for measuring particle size distribution as well as particle concentration in aerosols.
BENEFITS
APPLICATIONS
| Parameter title | Unit | Value |
|---|---|---|
| measurand(s) | – | particle number concentration, particle size distribution |
| measuring range, particle size | µm | 0,2 … 40 (0,2 … 5 | 0,24 … 10 | 0,7 … 40) |
| measuring range, concentration | #/cm³ | max. 10’000 |
| resolution, measurement time | s | ≥ 1 (variable adustable) |
| resolution, particle size | – | max. 128 size channels (adjustable) |
| test flow rate | L/min | 3,0 (0,1 through measuring cell) |
| power supply | – | 110 … 230 V AC (via power adapter 12 V DC; 4,2 A) |
| communication interface | – | RS232 |
| dimensions (w × h × d) | mm | 380 × 220 × 200 |
| weight | kg | 9,4 |
ACCESSORIES
You can request the necessary certificates, documentation, instructions and user manuals for TOPAS LAP 322 using the special form.
You can buy TOPAS LAP 322 in UK or Europe at a favourable price in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email dolce@dolcetrade.com. TOPAS LAP 322 price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.
See also: Aerosol Spectrometers Particle Sizers
