Electric sensors and electric sensor assemblies; vibration meters; vibration measuring equipment; gradient indicators; protractors measuring instruments; weighing, measuring, signaling, testing and checking apparatuses and instruments, namely lasers for measuring purposes, accelerometers, laser measuring systems, distance measuring apparatus, instruments for measuring length, sensors for measuring alignment of machines, parts of machines and shafts, sensors, scanners and computerized data evaluation units for monitoring sound, vibration, temperature, speed, and operating conditions of machinery, apparatus for recording, transmitting or reproduction of sounds, images or data; computer software for measuring, observing, storage or transmission of values of physical quantities, characterizing metrological data, the alignment, conditions or sounds of machines or machine parts; application software for measuring, observing, storage or transmission of values of physical quantities, characterizing metrological data, the alignment, conditions or sounds of machines or machine parts; software for capturing, testing, monitoring, interpreting and analysis of data, measurements and sensor signals; data processing equipment; computers; electronic apparatuses and computers for capturing, interpreting and analysis of data, measurements and sensor signals; automatic control apparatuses for sensors, for measuring signaling testing and checking apparatuses and instruments; electronic control apparatuses for sensors, for measuring signaling testing and checking apparatuses and instruments