FULL LINE OF SCIENTIFIC, ELECTRICAL, PHOTOGRAPHIC, OPTICAL, WEIGHING, MEASURING AND SIGNALLING APPARATUS AND INSTRUMENTS; NAMELY; COMPUTER HARDWARE; [ POTENTIOSTATS, GALVANOSTATS, VOLTAMMETRIC DIGITAL ANALYZERS, ] FREQUENCY RESPONSE DETECTORS AND SPECTROMETERS FOR USE IN SCIENTIFIC RESEARCH, [ IN APPLIED SCIENTIFIC RESEARCH, ] IN NEW PRODUCT DEVELOPMENT AND QUALITY CONTROL, IN EDUCATIONAL INSTITUTIONS AND IN THE PHARMACEUTICAL, FOOD AND BEVERAGE, ENVIRONMENTAL, CHEMICAL AND PLASTICS INDUSTRIES; LABORATORY INSTRUMENTS FOR DRUG DISCOVERY AND DRUG DEVELOPMENT, NAMELY, METERS FOR MEASURING LUMINESCENCE ABSORBENCY, FLUORESCENCE AND TIME-RESOLVED FLUORESCENCE; ELECTROPHORESIS UNITS; CHROMATOGRAPHY TEST KITS COMPRISING SEPARATION COLUMNS, RACKS, VALVES, PIPETTES, GRADIENT MARKERS AND SPECTROPHOTOMETERS; [ ELECTROPHORESIS DENSITOMETERS TO SCAN AND DIGITIZE ELECTROPHORETIC GELS; OPTICAL FIBER SPLICERS; CONDUITS FOR RECEIVING OPTICAL FIBERS; CONNECTORS AND CONNECTOR ELEMENTS FOR OPTICAL FIBERS; FIBER OPTIC CABLES; FIBER OPTIC PANELS; FIBER OPTIC RECEPTORS; FIBER OPTIC TERMINALS; FIBER OPTIC VIEWERS; ] IMAGING UNITS, NAMELY, FLUORIMETERS AND PLATE READERS FOR USE IN IMAGING MATERIALS WHICH PRODUCE LUMINESCENT AND FLUORESCENT SIGNALS; MICROSCOPES; [ FIBER OPTIC RECEIVER MODULES FOR TELECOMMUNICATIONS EQUIPMENT; ] SEMICONDUCTOR PANELS; [ X-RAY SECURITY SCREENING UNITS, NAMELY, X-RAY IMAGING APPARATUS FOR USE IN IDENTIFYING UNAUTHORIZED MATERIALS AT SECURITY CHECKPOINTS; METAL DETECTORS; ] RADIATION DETECTORS; LIQUID AND GAS CHROMATOGRAPHS; FLOWMETERS; FLUID FLOW DETECTORS AND TRANSDUCERS; [ DIGITAL SIGNAL AVERAGERS; ELECTRIC CURRENT CONVERTERS; NUCLEAR SPECTROSCOPY DATA ACQUISITION UNITS; ] FOOD CONTAMINATION TESTING INSTRUMENTS, NAMELY HANDHELD OR BENCHTOP ELECTRONIC UNITS FOR USE BY MEMBERS OF THE FOOD INDUSTRY TO TEST FOOD OR FOOD PREPARATION AREAS FOR BACTERIA AND OTHER CONTAMINANTS; BATTERIES; COMPUTER SOFTWARE IN THE NATURE OF COMPUTER OPERATING SYSTEMS; COMPUTER SOFTWARE FOR MANAGING DATABASES CONTAINING SCIENTIFIC INFORMATION; COMPUTER SOFTWARE FOR ELECTROCHEMICAL MEASUREMENT AND ANALYSIS; COMPUTER SOFTWARE FOR SCIENTIFIC DATA ACQUISITION, PROCESSING, STORAGE, AND ANALYSIS [ ; COMPUTER SOFTWARE FOR CHRONOAMPEROMETRY, CHRONOPOTENTIOMETRY AND CYCLIC VOLTAMMETRY ]