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WebbThe pH meter is basically a high impedance amplifier that accurately measures the minute electrode voltages and displays the results directly in pH units on either an analog or digital display. In some cases, voltages can also be read for special applications or for use with ion-selective or Oxidation-Reduction Potential (ORP) electrodes. Webb28 maj 2024 · Definition: A pH meter is an instrument used to measure the activity of hydrogen ions in solutions. In other words, it measures the acidity or alkalinity of a solution. It is sometimes called a potentiometric pH meter because it measures the difference in electric potential between a pH electrode and a reference electrode . Webb13 apr. 2024 · April 2024 Anwendungen pH-Meter, ... Ein neutraler pH-Wert von 7 ist für viele Pflanzen ideal. Bei zu saurem Substrat können z. B. Kalzium, Phosphor, Kalium und Magnesium kaum von den Pflanzen aufgenommen werden. Ist das Substrat zu basisch, ist beispielsweise die Aufnahme von Kupfer, ... fish and chips milford surrey