9 Apparatuses and instruments for switching, regulating and controlling of electricity, namely, electric converters, electrical controllers, electric and electronic switches, electric and electronic closed loop and open loop control apparatus to be used to control catalytic converters; electric devices for the measuring- and regulating technique, namely, clamp meters for measuring electricity; devices for recording, transmitting and displaying of data, namely, computers; measuring- and monitoring devices, namely, electronic monitors and monitor modules for monitoring electric current and electrical signals; armatures for use in electrical apparatus as parts of the devices for the measuring- and regulating technique; flow-measuring and flow-regulating devices, namely, flow meters, automatic liquid-flow control machines and instruments, sensors and transmitters for measuring, switching and proportioning liquid and gaseous media, namely, mass flow rate meters and flow regulators for commercial use as well as electronic pressure regulators for high pressure gases and liquids, except for regulators for gas, water or other sanitary installations; flow-sensors, namely, pressure sensors, fluid control sensors and level regulators, combinations of the aforesaid goods to form systems; pressure measuring devices and pressure regulating devices for hydraulic and pneumatic installations and electromagnetically actuated pilot valves, namely, pressure sensors, pressure meters, pressure regulators; scientific laboratory devices for the clinical field, namely, apparatus and instruments for the measurement and control of fluids, namely, flow meters; filters as parts of analysis-devices for laboratory purposes; electrical controlling devices for medical devices and instruments; electronic components, namely, integrated circuits chips for use in measuring the flow, pressure, filling level and/or temperature in regulators, control elements, valves and sensors; electronic components, namely, computer chips for use in the field of the drive-, control- and regulating-technique, including field bus technique and industrial communication