9 Measuring apparatuses for evaluating fluid condition by determining temperature, viscosity, oxidation, wear metal content, acid content, base content, sample fuel-dilution, general sample dilution, and soot levels; Measuring and calibrating instruments, namely, spectroscopy-based systems for taking measurements used to determine fluid conditions based on optical spectral analysis, namely, RAMAN spectrometry systems comprised of optical probes, optical sensors, LASER transmitters, and microprocessor-based measurement units; Temperature and viscosity detection systems, namely, thermometers, thermocouple probes and viscometers; Computer software for providing communication with computerized global and/or mobile networks; Computer software for controlling fluid condition analysis hardware; Computer software for scheduling sample collection and communicating reports and alerts to end users; Electromechanical devices for evaluating fluid condition by determining at least one physical condition, namely, temperature, viscosity, oxidation, wear metal content, general sample dilution, fuel-dilution, acid content, base content, and soot levels; Electromechanical devices, namely, spectroscopy-based systems, used to determine fluid conditions based on optical spectral analysis, namely, fluorescent, infrared, near infrared, and RAMAN spectrometry systems comprised of optical probes, optical sensors, LASER electromagnetic radiation transmitters for excitation of fluid samples, and microprocessor-based measurement detection units for measuring emission of electromagnetic radiation emission from fluid samples following excitation; Electromechanical temperature and viscosity detection systems, namely, thermometers and viscometers, thermocouple probes and viscometers; Computer software for analysis of fluid condition data collected by electromechanical devices measuring one or more fluid conditions; Computer hardware for providing for communication with computerized global and/or mobile networks for collecting and transmitting data related to one or more fluid conditions and reporting fluid condition to an end user