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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
annunciators; annunciators used in alarm management applications to signal alarms with visual displays and audible alerts; annunciators configured as a system to monitor alarms and present notification through visual displays and audible alerts and parts thereof for indicating the conditions of process and other variables, namely, equipment for indicating the on, off and defective operating conditions of electric motors, alarm lights, plug-in relay units, indicators, chassis units and pre-wired chassis units, relay units, control switches, circuit control apparatus, and cabinets for housing the same; electronic control systems for machines; electronic annunciators that make up an alarm management system used to signal alarms related to electrical faults in power systems through visual displays and audible alerts and component parts thereof, namely, multiple relay plug-in containers, electrical energy meters, current and voltage transducers, recorders used to measure or log currents and voltages for display or retrieval via external means; digital transducers and power transducers; electrical power supplies, power measurement devices and power quality monitors, power conditioners electronic instrumentation, namely alarms, amplifiers and preamplifiers, electrical calibrators, data acquirers used to capture, record and analyze alarm events or process status, data loggers, electrical current sensors, electrical signal processors, voltage monitor modules, voltmeters, oscilloscopes, energy monitors, event recorders, transient recorders used to capture, measure, analyze or record electrical transients in power systems, meters used to measure and display electrical values in various engineering units, power quality monitors used to measure, analyze or record electrical values in a power system, revenue meters used to measure, record, display and output electrical values, process calibrators and application software for use in the electric utility and process control industry for monitoring, analyzing, and recording power measurements relating to current, voltage, frequency, power, energy, harmonics, transients, and impulses; computer software for use in monitoring, analyzing, and recording power measurements; electronic monitoring and calibration units for warning about certain conditions of equipment, electric luminescent display panels, hardware and software used to retrieve, display, and analyze data from measurement and recording products, and alarms therefor for use in the electric utility field; flame sensors for use with gas turbines, burners, and boilers; annunciators with light emitting diode displays; annunciators with electric luminescent display panels; flame sensors comprised of infrared sensors and ultraviolet sensors for process control equipment in conventional and nuclear power plants, in oil refineries, in paper mills, in metal working industries, and in food and chemical processing; loop isolators for isolating process current signals; flame sensor digital processor; monitoring systems used to measure, analyze or record an electrical value for further action or analysis for monitoring electrical currents and/or for automatically determining and/or recording physical data such as temperatures and presence and location of electric short circuits; panel boards with integrated diagrams; power control systems, namely, controllers for regulating, measuring, filtering, and distributing electrical current for resistance heating applications; power quality analyzers; power supply, communication and input/output hardware used to measure or record electrical values with software to display or analyze the results for event monitoring and recording for use in the electric utility field; pressure sensors; pressure recorders; pressure monitoring devices, pressure control devices and electroacoustic transducers; recorders used to capture, display or store electrical values, or process changes for further analysis; annunciators used to monitor and report alarms through visual and audible alerts without any user intervention and parts thereof; sequential events recorders; signal conditioners and input monitors for sensing current, voltage, temperature, thermocouple and rtd signals; utility load and demand management devices for power consumption management; monitoring system comprised of annunciators, electric meters, pressure sensors, temperature sensors, vibration meters