9 Apparatus and instruments for electrical signal production, signal capture and signal processing, especially making use of electrical engineering methods; data-processing apparatus and connecting elements and apparatus attached thereto sold as a unit; electronic measurement, testing and analysis equipment, namely, electronic signal production, signal capture, and signal processing apparatus, and data processing apparatus for testing, analyzing, monitoring, and developing electronic devices; measurement, testing and analysis software and database management software for connection to the aforesaid measurement, testing and analysis equipment; software for manipulating, operating, monitoring, developing, maintaining and putting into service electronic devices and for testing, analyzing, monitoring, developing, maintaining and putting into service of electronic devices for power supply systems and power supply components; electric meters, electronic meters, meters for capturing electronic parameters, meters for use in development and research laboratories, meters for industrial applications, meters for university training, all for testing, analyzing, monitoring and developing of electronic devices for power supply systems and power supply components; computer programs for the capture and administration of information relating to electronic devices for power supply systems and power supply components and corresponding measurement data, for calculating and analyzing information and measurement data from electronic devices for power supply systems and power supply components, and for monitoring, measuring and testing of energy generation equipment, energy transmission equipment and energy distribution equipment; data programs, namely, computer software for describing characteristics of power supply systems and power supply components, in particular electrical protection devices for power supply systems, current converters, transducers and transformers, voltage converters; data programs, namely, computer software for describing the test of power supply systems and power supply components, in particular electrical protection devices for power supply systems, current converters, transducers and transformers, voltage converters; computer apparatus, namely, computer hardware for the administration of power supply systems and power supply components