electric, optical, weighing, measuring, signalling and checking apparatus and instruments, namely, apparatus for recording, transmission or reproduction of sound or images; computers; apparatus and instruments for metering, gauging, counting, calibrating, detecting, identifying indicating signal conditioning, analyzing, displaying, timing for use in science and/or industry, testing, data logging, sensing and controlling variable chemical and physical parameters, such as temperature, acidity, concentration, humidity, pressure, strain, force, tilt, radiation, speed, timing for use in science and/or industry, flow, level, ph load, liquid level, vibration, electrical resistance, air velocity, amperage, frequency, voltage, ion concentration, conductivity, data acquisition, data display, data retrieval; electric soldering irons; adapters; ammeters; amplifiers; anemometers; attenuators; barometers; battery chargers; ph buffer capsules; electrical connectors; plug and clamps for connecting thermocouple sensors to instruments for measuring temperature; converters; diodes; electrodes; flowmeters; hygrometers; junction boxes; temperature indicating pellets; plotters; psychrometers; pyrometers; pyrometer probes; rotameters; scanners; thermistors; thermoscouples; thermocouple probes; thermocouple wells; cold junction compensators; thermometers; thermopiles; thermostats; timers for use in science and/or industry; voltmeters, weather stations; computer hardware; modems; printers; light diodes; laser scanners; electronic input keyboards; optical and magnetic data recording and reproducing; apparatus; electronic time indicators for use in science and/or industry; temperature indicators; temperature measuring instruments and apparatus; moisture indicators; acidity indicators; concentration indicators; distance indicators; rotation indicators; angle indicators; acceleration indicators; power indicators; pressure indicators; voltage indicators; current indicators; brightness indicators; current intensity indicators, magnetic flux indicators; laser beam detectors; optical fibers and cables; torque measuring transducers; digital strain gauge monitor meters; ph buffer solutions; slip rings; thermocouple blocks; thermocouple heads; signal amplifiers for use with transducers and/or sensors; computer and microprocessor controlled apparatus for use in science and industry, namely, timers, display panels, derived-unit measuring apparatus; calculators; prerecorded and/or blank magnetic data carriers featuring engineering, measurement and testing; liquid analyzers; wire for thermocouples; electrical conductivity cells; electrical resistance cells; electrical load cells; electrical conductivity checker; signal conditioners for industrial process control; plug connectors; cable connectors; electronic speed controllers; ethernet controllers; power controllers; pressure gauges; level indicators; temperature indicators; lasers not for medical purposes; electric plugs; probes for testing integrated circuits; centrifugal pumps for laboratory and scientific use; controlled volume pumps; radio frequency receivers; pressure recorders; electric relays; electrical sockets; magnetic bar stirrers for laboratory use; electric switches; power switches; computer terminals; circuit testers; electroacoustic transducers; computer interface boards; electronic measuring instruments and apparatus for measuring physical and electrical parameters, namely, voltage, resistance and mass; microprocessor operated apparatus, namely, indication and display apparatus, calculating apparatus, data recording and display apparatus, data storing apparatus, data registering apparatus, measurement data and process data transmitting apparatus for wired and wireless and optically interconnected signal transfer; structural parts and fittings for the aforementioned microprocessor apparatus, namely, electronic signal indicating panels with electrical indicating instruments; electronic liquid crystal indicator boards and panels; vibration management go, namely, vibration meters; infrared temperature sensor; laser beam splitter; temperature regulating and control apparatus

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