PH-1 is a One-pole Electrode. PH-2 is a Two-pole Electrode, with a ground electrode and an operation electrode.
Use PH-1 for liquids that contain a large amount of foreign matter. Use PH-2 for liquids that do not contain a large amount of foreign matter because it is more convenient.
Use PH-1 for liquids that contain a large amount of foreign matter. Use PH-2 for liquids that do not contain a large amount of foreign matter because it is more convenient.
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