LAP 323 Aerosol Spectrometer for analysis of particle size distributions and particle number concentrations in aerosols, Dual Wave Length Technology
Made in Germany. brand TOPAS, model LAP 323
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Our warehouses are located in the UK, UAE and Senegal.
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With the new single particle scattering light spectrometer LAP 323 the innovative Dual Wavelength technology of Topas GmbH for particle size and number determination is implemented.
The use of two laser diodes with different wavelengths allows a high-resolution detection of even small spherical particles and their accurate classification. The application of two light sources with monochromatic light of different wavelengths for scattered light generation has the advantage to level out discontinuities i.e. that particles whose size falls within this range are difficult to distinguish from one another. Additionally, the aerosol spectrometer is characterized by integrated sampling, intelligent volume flow control and compact design. The Laser Aerosol Spectrometer LAP 323 meets all technical requirements for aerosol spectrometers as described in ISO 21501-1 and VDI guideline 3867 part 4.
The Laser Aerosol Spectrometer uses an internal pump for the suction of the sample volume flow rate into the device. The volume flow rate is divided and only a small amount is directed into the measuring cell. Two long-life laser diodes of different wavelengths are located in the measuring cell and illuminate the particles flowing by. The resulting scattered light is collected by a photo detector. The optical signals are converted into electrical signals and processed by a microprocessor. The microprocessor amplifies the signals, determines their pulse height and classifies them into the appropriate pulse height classes. The channel contents (more than 90 size channels are available) are transmitted to a computer via the serial interface. Using the software PASWin with the provided calibration function, particle sizes can be assigned to the class boundaries resulting in the particle size distribution.
BENEFITS
APPLICATIONS
| Parameter title | Unit | Value |
|---|---|---|
| measurand | – | particle number concentration, particle size distribution |
| measuring range, particle size | µm | 0,15 … 40 |
| measuring range, concentration | #/cm³ | max. 10’000 |
| resolution, measurement time | s | ≥ 1 (variable adjustable) |
| resolution, particle size | – | max 128 size channels (adjustable) |
| test flow rate | L/min | 3,0 (0,1 trough measuring cell) |
| power supply | – | 110 – 230 VAC (50 – 60 Hz); 12 VDC (4,2 A) |
| light source | – | |
| serial interface | – | |
| power consumption | W | 21 (normal operation) |
| dimensions (w x h x d) | mm | |
| weight | kg |
ACCESSORIES
You can request the necessary certificates, documentation, instructions and user manuals for TOPAS LAP 323 using the special form.
You can buy TOPAS LAP 323 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 323 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
