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PARTICLE COUNTERS
We offer a large number of Particle Counters, and some of the most common are shown here on the website. If you do not find what you are looking for, please contact us and we will help you to find a solution

5410 - CONDENSATION PARTICLE COUNTER


Manufacturer: GRIMM AEROSOL TECHNIK

The GRIMM 5410 is the compact and rugged standard instrument of the Grimm CPC line with improved detection efficiency. Features the well-established condensate removal and anti-spill saturator design with an integrated saturator shutter, enabling the transport of the CPC without removing or drying the saturator



  • D50= 4nm)
  • Response time (t10-t90 < 3 s)
  • Aerosol flow rate of 0.6 L/min
  • Single particle counting up to 100 000 #/cm³

  • Tolerant to high ambient temperatures (40°C)
  • Comprehensive self-test for highest reliability
  • Continuous removal of condensate
  • Operates with air and inert gases




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5416 - CONDENSATION PARTICLE COUNTER


Manufacturer: GRIMM AEROSOL TECHNIK

The GRIMM 5416 is the high-end professional all-inclusive CPC with the option to be operated as fully equipped SMPS system (see SMPS+C) with an aerosol inlet flow of 0.3 L/min. The new detection head enables single particle counting up to 150 000 particles /cm³ with improved detection efficiency (D50 = 4nm) and response time (t10-t90 < 3 s). The photometric mode allows for the detection of high concentrations up to 107 particles/cm³


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5420 - THE UPGRADEABLE 19" CONDENSATION PARTICLE COUNTER


Manufacturer: GRIMM AEROSOL TECHNIK

The GRIMM 5420 is the 19” rack version of our high-end professional all-inclusive CPC with the option to be operated as fully equipped SMPS system (see SMPS+C) with an aerosol inlet flow of 0.3 L/min. The new detection head enables single particle counting up to 150 000 particles /cm³ with improved detection efficiency (D50 = 4nm) and response time (t10-t90 < 3 s). The photometric mode allows for the detection of high concentrations up to 107 #/cm³.

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LAP 340 - Cleanroom Particle Counter


Manufacturer: TOPAS

The Cleanroom Particle Counter LAP 340 is a device for measuring the number and size of particles in air streams and gaseous media according to ISO 21501-4. The measuring system is suitable for stationary as well as mobile use. The particle analyzer is especially suitable for clean room applications which enables it to cover a wide particle size range from 0.3 µm to 10 µm 



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LAP 323 - Aerosol particle size spectrometer


Manufacturer: TOPAS

Single particle scattering light spectrometer for particle size and number determination. Meets all technical requirements for aerosol spectrometers as described in ISO 21501-1 and VDI guideline 3867 part 4.

  • 0,15 – 40 µm
  • < 104 cm-3

  • max. 128 (64) size channels or user defined

  • 3,0 l/min (total)
    0,1 l/min (measuring zone)


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LAP 322 - Aerosol particle size spectrometer


Manufacturer: TOPAS

Single particle scattering light spectrometer for particle size and number determination. Meets all technical requirements for aerosol spectrometers as described in ISO 21501-1 and VDI guideline 3867 part 4.

  • 0.2 – 40 µm
    (0.2-5 µm, 0.24-10 µm, 0.7-40 µm)

  • < 104 cm-3

  • max. 128 (64) size channels or user defined

  • 3,0 l/min (total

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FMS 375 - Fractional Efficiency Measurement System


Manufacturer: TOPAS

The FMS 375 enables in one device i) an automated aerosol sampling as well as excess air refeeding via a switching unit, ii) aerosol conditioning by two dynamic dilution systems and iii) a precise aerosol characterisation based on the aerosol spectrometer LAP 325.


  • characterisation of particle size distributions of aerosols
  • evaluation of fractional separation efficiency of oil mist separators and filters
  • compact design for the use at engine test stations or in laboratory test setups (e.g. SPT 140)


  • 0.2 – 40 µm

  • < 4 x 108 cm-3

  • max. 120°C

  • max. ± 800 mbar

  • 3,0 l/min (total


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PAM 510 - Process Aerosol Monitor


Manufacturer: TOPAS

Determines in realtime the average particle size and number concentration in high-concentration, monodisperse aerosols. The Condensation Aerosol Generators SLG 250/270 from Topas produce such monodisperse aerosols in the size range from 0.2 to 8 µm. The instrument can directly be connected to the outlet of the aerosol generator series SLG. The system is well suitable for instrument calibration and aerosol research.


  • 0.5…10 µm

  • 104…107 Particle/cm3

  • Sample flow rate10 l/h…500 l/h

  • Sheath air flowrate12 l/h
  • max. 3 kPa (30 mbar)


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Bench-Top Particle Counter BT-620


Manufacturer: METONE

BT-620 Bench-Top Particle Counter provides a full feature set in a lightweight convenient size. This Counter monitors 6 particle sizes, includes a built-in printer, is battery or AC operated in a stainless-steel case. The 620 flow rate is 28.3 lpm and is maintained with volumetric flow control for improved accuracy. Like the 610, the 620 data is easily viewed on its display from distances exceeding 3 meters.


The built-in battery provides over 8 hours of typical (intermittent) operation or 4 hours continuous operation. Connect the AC adapter/charger for longer operation and battery charging. A temperature / relative humidity plug-and- play sensor option immediately adds ambient temperature and relative humidity information to the displayed and logger data.


Stores over 8,000 sample events. Sample history can be viewed, printed or downloaded to a computer using Particle View software or ASCII terminal commands


  • 0.3µm - 10µm, 6 channels
  • 0.3µm,0.5µm,1.0µm,2.0µm 5.0 µm,10µm


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FAS 362 - Particle Counter for Liquids


Manufacturer: TOPAS

The Liquid Particle Counter FAS 362 is designed for measuring particle size distribution (PSD) and particle number concentration of particles in liquids.

Determining the mean extinction (attenuation) of the light due to single particles is an efficient optical measuring method to measure the particle size in a wide range. This method of single particle measurement is applied in the liquid particle counter FAS 362. By means of competetive solutions this instrument is capable of measuring particle sizes with a high resolution and good reduction of the systematic measuring deviation. The complete detection of all particles present in the measuring volume is ensured even at high measuring concentrations. Detecting the extinction at a special angle to the measuring cell (sensor position) – according to ISO 21501-3 – reduces the influence of the particle material.


  • 1.5 µm…100 µm - 2 µm…200 µm

  • 10 ml/min - 30 ml/min

  • 20·103 particle/cm- 5·103 particle/cm3

  • Hybrid photo diode amplifier UDT-455H



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Bench-Top Particle Counter MCA 4000


Manufacturer: METONE

MCA 4000 Multi-Channel Analyzer. This instrument is a complete particulate counting and sizing measurement system that provides a 4,096 channel spectrum for airborne particulate between 0.3 and 10.0 microns


Met One’s MCA 4000 is battery operated for
convenient, portable use for up to 9 hours of
continuous operation. 


  • 0.3 µm - 10 µm, 4,096 channels
  • 0.3, 0.5, 0.7, 1.0, 2.0, 3.0, 5.0 and 10.0 µm
  • Flow rate 1 l/min
  • Sheat flow rate 1 l/min



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5430 - PMP COMPLIANT CPC


Manufacturer: GRIMM AEROSOL TECHNIK

Particle counter approving Euro 5 and 6 conformity


The GRIMM 5430 is a high accuracy stationary particle counter for automotive emission measurements with improved response time (t10-t90 < 3 s) and an aerosol flow rate of 0.6 L/min. The instrument complies to the GPRE particle measurement program (PMP) for Euro 5 and 6 regulation 83. 



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5431 - PMP COMPLIANT CPC


Manufacturer: GRIMM AEROSOL TECHNIK

PMP COMPLIANT CPC WITH INTEGRATED PUMP


The GRIMM 5430 is a high accuracy stationary particle counter for automotive emission measurements with improved response time (t10-t90 < 3 s) and an aerosol flow rate of 0.6 L/min. The instrument complies to the GPRE particle measurement program (PMP) for Euro 5 and 6 regulation 83. 



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5410-SKY - CPC FOR IN-FLIGHT APPLICATIONS


Manufacturer: GRIMM AEROSOL TECHNIK

Fly your CPC and research troposhperic aerosols

with custom-made CPC-cores optimized for counting nanoparticles at low pressure. The skyCPC line features a weight-optimized design, pressure-independent flow control and a specially adapted management of working fluids to comply with aviation safety regulations. The GRIMM 5410 SKY-CPC has an improved detection efficiency (D50 = 4nm) and response time (t10-t90 < 3 s) with an aerosol flow rate of 0.6 L/min


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