Apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; Astronometric measuring machines and instruments; Automotive measuring instruments, namely, water temperature gauges, air fuel/ratio gauges, boost gauges, vacuum gauges and exhaust gas temperature gauges; Carbon dioxide detectors; Carbon monoxide detectors; Computer-controlled apparatus for testing and measuring concentration of gas, liquid; Coordinate measuring machines; Derived-unit measuring machines and apparatus; Device for testing the function and effectiveness of smoke detectors, carbon monoxide detectors and heat detectors featuring an aerosol spray; Distance measuring apparatus; Electro-optical instruments for use in inspection and measurement of industrial components; Electronic equipment for inspection and detection of foreign material within containers; Electronic instruments for use in remote inspection and measurement of industrial components using remote visual devices; Electronic instruments, namely, logic analyzers; Electronic monitors and monitor modules for monitoring electric current and electrical signals; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; Force measurement products, namely, digital force gauges, digital torque gauges and manual and motorized test stands used therewith sold as a unit with the gauges; Gas detectors for detecting the presence of gas; Gas sensors for measuring gas concentration; Gas testing instruments; Gasometers; Gravity measuring instruments; Instruments and apparatus for controlling electric current, namely, electrical controllers for magnetic bearing control; Instruments for detecting and measuring two-dimensional distribution of force and pressure; Instruments for measuring length; Leak detecting device for water supplied home appliances consisting of water sensor, control unit with audible alarm and water valves; Length measuring gauges; Level measuring machines; Measurement standard devices for nanometrology, namely, measuring tools having a pattern in the micrometer or nanometer ranges; Measuring and control devices for air conditioning technology; Measuring apparatus for temperature and humidity levels in gases and solid substances; Measuring apparatus, namely, angle finders; Measuring apparatus, namely, clamp meters for measuring electricity; Measuring couplings for measuring temperature, pressure, quantity and concentration of fluids in hydraulic or pneumatic systems; Measuring devices, namely, fluorometers; Measuring instrumentation and apparatus, namely, digitizers; Metal detectors; Meteorological instruments; Microsensors for measurement of pressure, acceleration, force and flow, namely, silicon piezoresistive pressure sensors; Monitoring devices for the aquaculture industry used to monitor dissolved oxygen and temperature; Oil and gas well downhole survey and measurement equipment; Precision balances; Precision instruments for manipulation and positioning of microscopic objects; Pressure control equipment, namely, blowout preventers; Pressure measuring apparatus; Radiation-measuring instruments; Remote sensors for use in measuring thermal and infrared radiation energy waves; Resistance measuring instruments; Scientific instrumentation for measuring concentrations of chemicals in water; Scientific instruments, namely, electronic analyzers for measuring, testing and detecting contaminants and environmental pollutants; Scientific instruments, namely, electronic analyzers for testing consumer products for the presence of contaminants; Scientific measuring instruments, namely, conductivity meters; Seismic detectors; Seismic exploration machines and apparatus; Seismological instruments; Sensors for measuring concentrations of chemicals in water; Surveying instruments; Surveying machines and instruments; Testing and measuring equipment for use in testing the performance and efficiency of power plant equipment; Testing equipment for measuring the temperature, pressure, position or form of workpieces in a machine tool; Ultrasonic flaw detectors; Ultrasonic instrumentation for testing machines; Water testing instrumentation for monitoring and detecting contamination