Data acquisition and treatment software, namely, software for acquiring physical and chemical data for controlling fluids in liquid or gaseous states; software for supervision, namely, software for supervising a network of measuring apparatus in the nature of a combination of sensors, computers and software for detecting and correcting errors in hardware and software, for supervision of measured data values, and for correction of measuring parameters; inclined, vertical, electrical, multiple, transportable pressure gauges; scientific apparatus and instruments, namely, laboratory and industry sonometers not for medical purposes, psychrometers, aerometers, probes for scientific applications in the nature of speed probes, gas probes, humidity probes and temperature probes; optical apparatus and instruments, namely, infrared thermometers, and speed, pressure, debit, moisture and temperature thermometers; weighing apparatus and instruments, namely, scales and balances; measuring apparatus and instruments, namely, thermometers not for medical use, hygrostats, thermostats, Pitot tubes, bolometers, pyrometers, devices for measuring humidity in gases and solids in the nature of humidimeters, calibrators used for measuring electric values, hygrometers, anemometers, tachometers, as well as inclined, vertical, electric, multiple, transportable manometers and micromanometers; signaling apparatus and instruments, namely, leak detectors for radiation, gas detectors for detecting the presence of leaks and gases; controlling apparatus and instruments, namely, heat control apparatus in the nature of thermostats, boiler control instruments, and over voltage regulators; apparatus and instruments for air analysis, namely, combustion analyzers; apparatus and instruments for conducting electrical current, namely, bus lines and electrical networks comprised of wires that supply sensors and detectors; apparatus and instruments for distributing electric current, namely, connectors; apparatus and instruments for converting electrical current, namely, voltage converters; apparatus and instruments for storing electrical current, namely, batteries for storage of electrical current; apparatus and instruments for regulating electrical current, namely, current regulators for protection against breakdown; apparatus and instruments for commanding electrical current, namely, electrical switches; electric and electronic recorders for recording speed, pressure, moisture and temperature data; electric transmitters for pressure, moisture and air temperature; * all the above products except those used for electric drives and controls *