Software for execution and display of measurements; software for controlling measuring instruments; software for calibrating measuring instruments; software for servicing, maintenance and/or prognosis of the lifespan of measuring instruments; software for documentation, archiving of measurements and maintenance of measuring instruments; software for evaluating measurement data; software for exchange of measurement data, documentation of measurements and measurement processes of measuring instruments in a network; software for controlling measuring instrument transmitters; software for calibrating measuring instruments controlled by a transmitter; software for the servicing, maintenance and/or prognosis of the lifespan of transmitters for measuring instruments; software for documentation, archiving of measurements and maintenance of measuring instruments which are connected by a transmitter; software for setting up, configuring and installing measuring instruments and transmitters for measuring instruments; software for documentation of measuring instruments connected by a transmitter and transmitters; software used as user interface with transmitters; software for recording measurement data, device data, device images, device videos and diagnostic data from measuring instruments controlled by a transmitter and transmitters; software for transmitting measurement data, device data, device images, device videos and diagnostic data from measurement instruments controlled by a transmitter or transmitters; software for creating and transmitting data sets comprising data from measuring instruments, transmitters and accessories connected to such instruments and/or data generated by the latter; software for creating and transmitting data sets for use in process automation, inventory management, facility management, modeling and/or simulation of processes and facilities monitored by measuring instruments; software for process automation, inventory management, facility management, modeling and/or simulation of processes and facilities controlled by measuring instruments; the aforementioned measuring instruments and measures including pH measurements, redox measurements, oxygen measurements, carbon dioxide measurements, conductivity measurements or turbidity measurements and measuring instruments therefor