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weighing devices; namely, balances and weighing apparatus of all types, especially precision, analytical, micro and carat balances, and parts thereof; weighing scales for laboratory, educational, industrial and commercial use, and parts thereof; truck and railroad track scales, and parts thereof; weighing scales for counting, dosing, checking and classifying by weight, and parts thereof; weighing systems comprising weighing devices and conveyors for counting, dosing, checking and classifying by weight; load cells and computer programs for weighing devices and installations; apparatus for measuring, testing, and control and parts thereof; namely, transducers for weight, force or pressure; sensors and controls for measuring, testing and control of physical and chemical properties, especially for thermal analysis and calorimetry, viscosimetry, titration, potentiometry, conductometry and amperometry; accessories used in connection with said devices and apparatus especially remote switches, dosing spoons, remote displays, printers, data readers(scanners), data feeders, data indicators, data interfaces and apparatus for data input and process control; and cash registers especially for use in connection with weighing installations