data processing apparatus; Computer software applications, downloadable,for monitoring and analyzing industrial processes and equipment performance, detecting faults, and ensuring operational efficiency; Computer-controlled apparatus for testing and measuring radio frequency signals, concentrations of gas and liquids, audio signals; surveying apparatus and instruments; Pressure measuring apparatus; Measuring apparatus for temperature and humidity levels in gases and solid substances; Measuring apparatus, namely, laser distance meters; Measuring apparatus, namely, angle finders; Distance measuring apparatus;Precision theodolites; Precision balances; Radiation-measuring instruments; Electro-optical instruments for use in inspection and measurement of industrial components; Resistance measuring instruments; Tool measuring instruments; Measuring devices, namely, fluorometers; Electronic and optical communications instruments and components, namely, optical receivers; Electronic and optical communications instruments and components, namely, optical transmitters; Electronic and optical communications instruments and components, namely, optical transceivers; High-frequency switching power supplies; Electronic products for the generation, measurement, and analysis of audio signals, namely, audio analyzers; Electrical and electronic test and measurement equipment for use in testing the performance and operation of communications equipment; Sensors for measuring sound, light, electricity, and heat, not for medical use; Instruments for measuring and analyzing electrical signals, namely, frequency analyzers; Sound level meters; Calibration devices for calibrating Industrial X-ray apparatus in the nature of testing equipment for determining industrial flaws; Industrial calibration sensors; Computer software for monitoring and analyzing industrial processes and equipment performance, detecting faults, and ensuring operational efficiency; Electrical test and measurement apparatus, namely, devices for measuring electrical signals and parameters in industrial equipment to ensure proper operation and detect faults;