Aerosol Technology Accessories » Aerosol sensors welas® 2000 system

Aerosol sensors for the welas® digital 2000 / 3000 and Promo® 2000 / 3000 aerosol spectrometers

The welas® digital 2000 aerosol sensors can measure particles in a range 200 nm to 100 µm reliably and precisely in terms of their size and associated concentration.

The welas® 2000 aerosol sensors are also connected to the control and analysis unit with a fiber-optic cable of up to 50 m in length. The small and robust aerosol sensors can therefore be installed very flexibly near the sampling location.

The size of measurement volume is crucial for coincidence-free particle size and particle number measurement. The welas® aerosol sensors are equipped with various sizes of measurement volumes and can therefore be optimized for particular particle concentrations for coincidence-free measurement. This offers the advantage of a high particle rate and therefore a good statistical confidence level in various concentration ranges.

The welas® 2000 series of aerosol sensors offers the biggest selection of sensors for diverse application areas in terms of particle concentration, temperature and pressure range.

Differences of aerosol sensors welas®2000

Device
welas® 2070
welas® 2100
welas® 2300
welas® 2500
Particle size range
0.2 – 10 µm
0.3 – 17 µm
0.6 – 40 µm
0.2 – 10 µm
0.3 – 17 µm
0.6 – 40 µm
0.2 – 10 µm
0.3 – 17 µm
0.6 – 40 µm
2 – 105 µm
0.3 – 17 µm
0.6 – 40 µm
2 – 105 µm
Concentration range
0 – 1 • 106 particles/cm3
0 – 5 • 105 particles/cm3
0 – 4 • 104 particles/cm3
0 – 4 • 103 particles/cm3

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