Computer programs and software for process control; Computer programs and software for processing data and controlling and monitoring chemical and physical measuring devices and testing apparatus, colour analysis instruments, colour measuring apparatus, colour testing apparatus, colour comparison and colour standard testing devices, colorimeters, photometers, spectrometers, turbidimeters and water testing and water treatment devices, in particular for use with mobile devices, telephones, tablets and computers; Scientific instrumentation for measuring the physical and chemical properties of materials; Apparatus for testing gas, liquids and solids; Electronic colour analysis instruments; optical colour measuring apparatus; colour testing apparatus, namely, colour comparitors for testing the color of beers, malts and caramels, edible oils and fats, food and beverages, household products, medical and clinical products, petroleum oils and waxes, sugar solutions, syrups and honey, pharmaceuticals and cosmetics, textiles, coatings, industrial process fluids, plastics, chemicals, swimming pool water, process water and waste water; collour comparison and colour standard testing devices, namely, colour comparitors, colorimeters, photometers, spectrometers and turbidimeters; and water testing devices, namely, water testing devices for monitoring and detecting contamination, for measuring pH value, mineral and ion content, salinity, biological oxygen demand, chemical oxygen demand, turbidity, oxidation potential, conductivity and temperature