[An automatic change-over switching device for the intermittent, simultaneous recording of pH and impedance].
D001331:Automation; D004553:Electric Conductivity; D005519:Food Preservation; D005859:Germany, East; D006863:Hydrogen-Ion Concentration; D008460:Meat / Q000592:standards*; D013997:Time Factors
Ein Messstellennumschalter zur diskontinuierlichen Simultanbestimmung von pH-Wert und Impedanz.