9 Test, measurement, process measurement, and process control apparatus for performing testing, measurement, process measurement, and process control in the nature of signal conditioning and data communication devices for industrial and scientific process control, namely, electrical and mechanical sensors, electrical switches, temperature measuring instruments, temperature control instruments, temperature sensors, thermocouples, electrical connectors, electrical heaters as an integral part of an electrical sensor, pressure measuring instruments and pressure control instruments in the nature of pressure gauges, pressure transmitters, electronic switches, voltage regulators, and converters, strain measuring instruments, force measuring instruments, electronic linear sensors rotary displacement sensors, torque, proximity, and depth sensors; flow measuring instruments and flow control instruments in the nature of electric meters, transducers, and controllers; water quality instruments for measuring pH, total dissolved solids, and conductivity, fluid level measuring instruments, pH measuring instruments, conductivity measuring instruments, power measuring instruments, voltage measuring instruments, current measuring instruments, humidity measuring instruments, light measuring instruments, sound measuring instruments, electronic data acquisition instruments in the nature of data loggers, data recorders, computer interfaces, computer plug-in boards, analog to digital converters, digital to analog converters, universal serial bus interfaces; computer hardware and software for computer control of sensors, instrumentation, equipment, switches, and devices for test, measurement, process measurement, and process control in the nature of microprocessor based hardware and software used to monitor and control signal conditioning and communication devices for industrial and scientific process control, in the nature of temperature measuring instruments, temperature control instruments, temperature sensors, thermocouples, wire, connectors, heaters, pressure measuring instruments, pressure control instruments, strain measuring instruments, force measuring instruments, linear and rotary displacement, torque, proximity, and depth sensors, flow measuring instruments, flow control instruments, water quality instruments, level measuring instruments, pH measuring instruments, conductivity measuring instruments, power measuring instruments, voltage measuring instruments, current measuring instruments, humidity measuring instruments, light measuring instruments, sound measuring instruments, data acquisition instruments in the nature of data loggers, data recorders, computer interfaces, computer plug-in boards, analog to digital converters, digital to analog converters, universal serial bus interfaces; equipment for automation of instrumentation, equipment, and devices for testing, measurement, process measurement, and process control, namely, industrial automation controls, programmable automation controllers, programmable logic controllers, industrial process timers, electronic graphical operator control panels, electronic touch panel displays, intelligent relays, electronic digital meters for displaying readings from measuring instruments in the nature of temperature, pressure, force, and flow instruments; electric actuators
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