Aerosol sensors welas® 2000 system

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® 2200 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 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 – 8 • 104 particles/cm3 0 – 4 • 104 particles/cm3 0 – 4 • 103 particles/cm3

Aerosol sensor welas® 2070

Aerosol sensor welas® 2070

Aerosol sensor with optical fibre technology for number concentrations up to 1,000,000 particles/cm3

Aerosol sensor welas® 2100

Aerosol sensor welas® 2100

Aerosol sensor with optical fibre technology for number concentrations up to 500,000 particles/cm3

Aerosol sensor welas® 2300

Aerosol sensor welas® 2300

Aerosol sensor with optical fibre technology for number concentrations up to 40,000 particles/cm3

Aerosol sensor welas® 2500

Aerosol sensor welas® 2500

Aerosol sensor with optical fibre technology for number concentrations up to 4,000 particles/cm3

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