SEVEN

Electronic transmitter; electrodes; measurement devices and parts therefor, namely, electronic controls, electronic display interfaces, LCD large-screen displays, light emitting diode (LED) displays, electronic sensors, and electrochemical sensors, all of the foregoing for measuring, testing, and control of physical, chemical and analytical properties, especially for titration, pH measurement, redox measurement, the measurement of ions, ion selective measurement, oxygen measurement, ozone measurement, carbon dioxide measurement, the measurement of dissolved gases, and conductivity measurement