MEASURING APPARATUS, namely, AMPEROMETRIC SENSORS, DISSOLVED OXYGEN SENSORS, CO2 SENSORS, NOT FOR MEDICAL USE, PH SENSORS, ELECTROCHEMICAL SENSORS, POTENTIOMETRIC SENSORS; OPTICAL DISSOLVED OXYGEN SENSORS; SENSORS FOR MEASURING PH OF WATER AND WASTE WATER, SENSORS FOR MEASURING THE PH OF PROCESS MEDIA, SENSORS FOR MEASURING THE INTERNAL CHEMISTRY OF AQUEOUS SOLUTIONS, CONDUCTIVITY, AND TEMPERATURE, OPTICAL SENSORS, CHEMICAL SENSORS, SENSORS FOR MEASURING PARAMETERS IN AN AQUEOUS MEDIA, SENSOR...

electric motors for machines and electric generators