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Ag-AgCl reference electrode
Ag-AgCl reference electrode
Tab electrode using silver/silver chloride sensing for electrocardiography (ECG)
Tab electrode using silver/silver chloride sensing for electrocardiography (ECG)
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781 pH/Ion Meter pH meter by Metrohm
781 pH/Ion Meter pH meter by Metrohm
5.739 pH/Ion at 23 °C temperature shown on photo. pH 7110 pH meter manufactured by inoLab
5.739 pH/Ion at 23 °C temperature shown on photo. pH 7110 pH meter manufactured by inoLab
A simple pH meter
A simple pH meter
Soil pH meter
Soil pH meter