9 Devices for recording, transmitting and display or presentation of signals and data; namely recorders for the recording of process data, paperless recorders, and strip chart recorders, process transmitters, LCD displays, LED displays, dot matrix displays, indicators, LCD indicators, LED indicators, and dot-matrix indicators; Electric and electronic measuring devices; namely, measuring transmitters in the fields of industrial process instrumentation and process automation, namely flow transmitters, pressure transmitters, pressure sensors, level transmitters, level switches, temperature transmitters, analytical transmitters, pH-sensors, pH-transmitters oxidation-reduction-potential-sensors, oxidation-reduction-potential-transmitters, conductivity sensors, conductivity transmitters, turbidity-sensors, turbidity-transmitters, gas-sensors, oxygen-transmitters, nitrogen transmitters, transmitters for the detection of total organic content in aqueous media, sludge level transmitters, water-samplers, spectrometric sensors, photometric sensors, Control devices, namely, electronic controllers for controlling parameters in the field of industrial process automation; Software for planning, bringing into service, monitoring, control, maintenance, and operation of installations, said installations comprising the above measuring devices, and plants in the fields of industrial process measurements and industrial process automation; Software for bringing into service, monitoring, control, maintenance and operation of measuring devices, analysis devices and control devices, namely measuring transmitters in the fields of process instrumentation and process automation, flow transmitters, pressure transmitters, pressure sensors, level transmitters, level switches, temperature transmitters, analytical transmitters, analytical sensors, pH-sensors, pH-transmitters oxidation-reduction-potential-sensors, oxidation-reduction-potential-transmitters, conductivity sensors, conductivity transmitters, turbidity-sensors, turbidity-transmitters, gas-sensors, oxygen-transmitters, nitrogen transmitters, transmitters for the detection of total organic content in aqueous media, sludge level transmitters, water-samplers, spectrometric sensors, photometric sensors, and electrical or electronic controllers