Computer-controlled apparatus for testing and measuring radio frequency signals, concentrations of gas and liquids, audio signals; Computer software applications, downloadable, for monitoring and analyzing industrial processes and equipment performance, detecting faults, and ensuring operational efficiency; Coordinate measuring instruments; Data processing apparatus; Distance measuring apparatus; Electro-optical instruments for use in inspection and measurement of industrial components; Electronic and optical communications instruments and components, namely, optical receivers; Electronic and optical communications instruments and components, namely, optical transceivers; Electronic and optical communications instruments and components, namely, optical transmitters; Measuring apparatus for temperature and humidity levels in gases and solid substances; Measuring apparatus, namely, angle finders; Measuring apparatus, namely, laser distance meters; Measuring devices, namely, fluorometers; Measuring rulers; Precision balances; Precision theodolites; Pressure measuring apparatus; Radiation-measuring instruments; Resistance measuring instruments; Spirit measures; Square rulers for measuring; Squares for measuring; Surveying apparatus and instruments; T-squares for measuring; Tape measures; Tool measuring instruments; Weighing apparatus and instruments