9 Weighing, measuring, signaling and checking in the nature of supervision apparatus, equipment and instruments for operating plastics processing installations, namely, weighing machines, weighing apparatus and instruments, mechanical devices, in the nature of dispensers of preset portions of fluids, solid granules and powder for dosing purposes, all not for medical use, coordinate measuring machines, instruments for measuring length, measuring apparatus for temperature and humidity levels in gases and solid substances, measuring apparatus, namely, angle finders, measuring couplings and hoses for measuring temperature, pressure, quantity and concentration of fluids in hydraulic or pneumatic systems, pressure measuring apparatus not for medical purposes, rheometers for measuring the viscosity and viscoelasticity of fluids, technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure, quantity and concentration of gas and liquids, distance measuring apparatus, signal conditioning and communication device for industrial process control, electronic monitors and monitor modules for monitoring electric current and electrical signals, pressure transducers and transmitters that convert hydraulic or pneumatic pressure into analog electrical signals for monitoring and controlling hydraulic or pneumatic systems, receivers of electronic signals, signal conditioning and communication devices for industrial process control, signal processors, transmitters of electronic signals; electric and electronic controls for plastics processing machines; computer programs for controlling plastics processing machines, in particular injection moulding machines; pre-recorded magnetic data carriers containing software for controlling plastics processing machines, in particular injection moulding machines; machine-readable data carriers of all kinds, namely, magnetic tapes, optical discs, hard disc drives, solid state semiconductor memories and flash memory cards