DES

Apparatus and instruments for physics; chemistry apparatus and instruments; laboratory apparatus and instruments; measuring instruments; measuring devices; electric cables and wires; cables for electrical signal transmission; electrodes; electrodes for laboratory research; pH indicator electrodes; pH meters; opacimeters; resistance measuring instruments; conductivity meters; dissolved oxygen measuring instruments; measuring instruments for determining redox potential; ion measuring instruments; gas sensors; electric converters; analog-to-digital converters; apparatus for processing signals; sensory software; downloadable computer programs; recorded computer programs.