Measuring apparatuses, namely, electrical or electronic measuring transmitters for measuring a physical, chemical, or analytical parameters, namely, pressure, temperature, mass flow rate, volume flow rate, filling level of a fluid or bulk material in a container, pH, oxidation-reduction-potential, ion concentration, electrical conductivity, turbidity, humidity, content of dissolved gasses in a liquid, especially, content of dissolved oxygen, total organic carbon content in aqueous samples, to...