9 Rheological testing apparatus for thermoplastics, thermosetting plastics and rubber, in particular melt index testing apparatus, elastomer testing apparatus, capillary rheometers, extensional rheometers, extension testers, namely, tension testers; online systems for rheological testing comprising computers, rheometers for measuring the viscosity and viscoelasticity of fluid; apparatus for extrusiometry, namely, laboratory apparatus for film analysis; clean-room appartatus for rheological testing, namely, rheometers for measuring the viscosity and viscoelasticity of fluids; EDP-hardware, namely, data processors especially being for applications in rheological testing apparatus, in particular in testing apparatus included in the list above; EDP-software, namely, software for data processing, the aforesaid goods especially being for applications in rheological testing apparatus, in particular in testing apparatus included in the list above; Sensors and detectors, preferably for direct and indirect measurement and determination of physical quantities, in particular in the field of rheology, namely, sensors and detectors for measuring viscosity