Measuring, signalling and checking, and supervising apparatus and instruments, namely, temperature sensors, pressure sensors, moisture sensors, fluid quantity sensors, fluid level sensors, fluid flow meters; concentration of gas and liquids, electric conductivity and electrochemical sensors; electrical and electronic probes, electric meters, electrical and electronic indicators for industrial operations, namely, electrical indicators for indicating temperature; electronic transmitters for transmitting electrical control signals; electric and electronic control and regulating apparatus, namely, gas pressure regulators, liquid pressure regulators, thermostats, hygrostats and process controllers for controlling temperature, pressure, moisture, concentration of gas and liquids, fluid quantity, fluid level, fluid flow laboratory and industrial applications; Electric protective apparatus for influencing process engineering processes by transmitting electrical signals to control flow of gasses and liquids; Sensors and apparatus for liquid or gas analysis, sensors and apparatus for measuring electrochemical measurement variables, including electrolytic conductivity, pH value or redox potential; Temperature sensors, Pressure sensors, Flowmeters, force sensors, Strain sensors; Computer Software for controlling, regulating and parameterisation of apparatus, instruments and equipment for measuring, signaling and checking, namely, temperature, pressure, moisture, fluid quantity, fluid level, fluid flow, concentration of gas and liquids, electric conductivity and electrochemical sensors, electrical and electronic probes, meters, electrical and electronic indicators, transmitters and electrical and electronic transmitters; Apparatus for recording, transmission or reproduction of sound or images; Electric and electronic level indicators; electronic data loggers; temperature recorders in the nature of thermometers, pressure recorders, flow recorders in the nature of chart recorders for recording material flow; ionic current activity recorders

Rental of sensors, instruments and devices for testing or calibrating apparatus and installations, in particular ovens, for heat treatment