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TOPAS LAP 322 Aerosol Spectometer

LAP 322 Aerosol Spectrometer for analysis of particle size distributions and particle number concentrations in aerosols, monochrome light

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Made in Germany. brand TOPAS, model LAP 322

Fast delivery to Latvia, Estonia and Lithuania. International delivery to Europe, Asia, Africa and other continents available on request
Our warehouse is located in Riga, Latvia.

price by request

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Official distributor in Latvia

Time-tested American, European and Asian brands of control and measurent instruments

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Special price list for organisations

We offer a significant discount for trade organisations and manufacturing companies

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Worldwide shipping on request

We take care of all logistics and customs clearance. Fast delivery to Baltic countries

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After-sales service and support

Warranty service and repair, expert assistance in the operation of the instruments

Description of TOPAS LAP 322

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

  • measuring range of particle size: 200 nm … 40 µm (with just one sensor), various measuring ranges selectable
  • Wide concentration range: from 1 to max. 1E4 #/cm³ ) – ideal for filter testing
  • easy and defined extension of concentration measuring range by use of Aerosol Dilution Systems
  • high counting efficiency of > 50% already at 200 nm
  • light source with long life time (20,000 h) by use of approved laser diode
  • high size resolution by means of multi channel analysis with > 90 size channels
  • incl. ease of use and comprehensive Windows based control and analysis Software PASWin
  • easy control of Sample Switching Unit SYS 520 for measurement of fractional efficiencies

APPLICATIONS

  • measurement of particle size distributions (spray, dust, powder)
  • analysis of test and calibration aerosols
  • filter testing and characterization
  • determination of fractional efficiency
  • indoor air quality
  • atmospheric research and environmental monitoring
  • characterization of pharmaceutical aerosols
  • aerosol research

Technical specifications of TOPAS LAP 322

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
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ACCESSORIES

  • carry case
  • sample switching unit SYS 520
  • dilution system DIL 555

User Guide and Instruction manual for TOPAS LAP 322

You can request the necessary certificates, documentation, instructions and user guide for TOPAS LAP 322 using the special form.

You can buy TOPAS LAP 322 in Latvia at a favourable price in «OLIL SIA» by leaving a request on the website, by phone +371 672 70580 or by email . TOPAS LAP 322 price are subject to change depending on exchange rates. We deliver instruments by transport companies in Latvia, Estonia and Lithuania. Worldwide shipping to Europe, Asia, Africa, North and South America available on request.