Design and development of electronic measurement, testing and analysis equipment; development of measurement, testing and analysis software; design and development of electric meters, electronic meters, meters for capturing electronic parameters, meters for capturing electric parameters; the aforesaid services in particular for testing, analyzing, monitoring and developing for others of electronic devices for power supply systems and power supply components; design and development of testing equipment for voltage transformers; design of calibration equipment for voltage transformers; monitoring and testing of electronic devices for others, including electronic devices for power supply systems and power supply components; testing of voltage transformers for others; calibrating of voltage transformers for others