TOPAS Trademark

Optical, electrotechnical, and electronic equipment, instruments and apparatus all for use in testing and measuring the performance and efficiency of filters and filter media; function, capacity and exhaust gas test stands and testing equipment for use in measuring the efficiency and fractional filtration efficiency of filters, namely, grain size analyzers being spectrometers other than for medical purposes; laboratory and industrial apparatus for use in filter testing; optical aerosol spectrometers other than for medical purposes; optical particle counters, being air quality measurement apparatuses; laboratory and industrial apparatus for use in dry dispersion; particle charge analyzers being laboratory and industrial equipment for air, gases and aerosols; aerosol generators for laboratory and industrial use; laboratory and industrial apparatus and instruments for use in dilution; aerosol spectrometers other than for medical purposes; environmental test chambers being temperature stimulation equipment; laboratory and industrial apparatus for use in mounting test pieces; laboratory and industrial apparatus for use in recording, compiling and evaluating data from test machines and apparatus; laboratory and industrial monitoring apparatus and installations constructed therefrom for use in status-oriented machine monitoring, control and regulating; electric and electronic computers for controlling and regulating the aforesaid goods and peripheral devices therefor, namely, for controlling and regulating printers, test desks and remote control apparatus; programs recorded on data carriers for controlling and regulating the aforesaid goods; replacement parts for all the aforesaid goods.

Engineering services, namely, calibration, scientific and industrial research for planning of installations in the field of aerosol measurement and particle technology; conducting engineering surveys in the field of aerosol measurement and particle technology; computer programming services in the field of recording, processing, evaluating and storing measurements; engineering services for controlling and regulating machines and installations.