Airmodus Condensation Particle Counters are designed to count individual aerosol particles accurately from very low
concentrations to high concentrations. They are ideal for ambient air monitoring as well as aerosol research.

The A20 is a robust and reliable tool for aerosol particle measurements in all applications where precision and
sensitivity is of the essence. It is a user-friendly tool for counting aerosol particles larger than 7 nm.

Airmodus Condensation Particle Counters are designed to count individual aerosol particles accurately from very low concentrations to high concentrations. They are ideal for ambient air monitoring as well as aerosol research. The A20 is a robust and reliable tool for aerosol particle measurements in all app lications where precision and sensitivity is of the essence. It is a user – friendly tool for counting aerosol particles larger than 7 nm.

A versatile particle counter

The A20 can be used both as a stand – alone instrument for measuring the total particle number concentration, and as a counter in different kinds of aerosol measurement systems. It is easy to use and handle. All settings can be quickly adjusted from a handy touch screen, which also displays the current concentration reading and instrument diagnostics. The A20 is also compatible with the Airmodus Particle Size Magnifier A10. Use the A10 when you want to study particles as small as 1 nm!

Special Features:

• High statistics for low concentrations: the instrument is specially designed and the sample flow is not diluted

• Accuracy for high concentrations:
− Up to 30 000#/cm3 in single-counting mode
− Up to 100 000#/cm3 with the Total Scattering Mode Correction (automatically applied)

• Easy to use touch screen

• User-friendly operation software

• All connections optimized for easy access

 

Particle size range:
7 – 1000 nm Dp50% = 7 nm

Concentration:
0 – 100 000 #/cm³ Up to 30 000 #/cm³ in single particle counting mode with coincidence <10%; higher concentrations with Total Scattering Mode Correction

Aerosol sample flow:
1 lpm, controlled with a critical orifice

Working fluid:
n – Butanol
Operating temperature range:
15° C to 35° C

Communication
Analog in: BNC connector, 0 to 10 volts (reading data of external sensor)

Analog out: BNC connector, 0 to 10 volts, user – selectable function output (linear concentration, also DMA voltage control)

Pulse out: BNC connector

Serial: RS – 232

External Vacuum: 1/4 inch stainless steel tube

Inlet: 1/4 inch stainless steel tube

Ethernet: 8 wire RJ45

USB: type B connector

External vacuum requirement:
> 0.4 bar under pressure at NTP

Power requirements:
88 – 264 VAC max. 320 W

Dimensions and weight:
260x230x400
(height x width x depth in mm)

10.5 kg

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Manual ???

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