Product Groups

Fine Dust Monitoring Devices

Real-time fine dust monitors for measuring and monitoring indoor and outdoor air quality 

Nanoparticle Measuring Devices

Measurement of the number concentration and particle size distribution of ultrafine aerosols ≥ 2 nm in the environment and in technical applications

Aerosol Spectrometers

Measurement of particle size and concentration of aerosols in industrial processes, the environment, filter testing, etc..

Aerosol sensors

Replaceable aerosol sensors for particle measurement with welas® digital and Promo®

Filter Media Test Rigs

Modular filter media test systems for the testing of depth filter media, coalescing filter media and cleanable surface filter media

Filter Test Rigs

Filter test systems for the testing of cleanroom filters, motor vehicle passenger compartment filters, compressed air filters, oil separators, vacuum cleaner filters etc.

Aerosol Generators for Solid Particles

Generation of test particles of approx. 1 nm – 100 µm for filter testing, inhalation studies, calibration of measuring devices, etc.

Aerosol Generators for Liquid Particles

Generation of test particles of approx. 10 nm – 10 µm for filter testing, inhalation studies, calibration of measuring equipment, etc.

Dilution Systems

Aerosol dilution systems considering the ejector principle with dilution factors constant in time from 1:10 to 1:1,000,000

Dischargers

Discharge systems for electrically charged aerosols of solid particles or drops

Software

Software for filter test rigs, aerosol spectrometers, nanoparticle and fine dust measurement systems

Aerosol Technology Accessories

Realiable aerosol detection with clearly defined accessories