The pH meter PCE-PH 18 is a pH meter with a pointed glass electrode. Thanks to this glass electrode, the pH meter PCE-PH 18 in, for example potting soil, sludge or in viscous liquids, such as in a lye, the pH can be determined.
The pH meter PCE-PH 17 is a pH meter with a pH electrode made entirely of glass. The fact that the electrode of the ph meter is made of glass makes cleaning the electrode easier and more thorough.