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This rugged pH electrode is specially designed for pH determination in samples containing hydrofluoric acid or other acid fluorides. Such samples can cause rapid deterioration of a typical glass pH electrode. This electrode consists of a PVC housing, incorporating a non-glass reference element and a plastic membrane pH sensor. Corrosive acid fluoride solutions will not reduce electrode performance or lifetime. The electrode has a zero potential at 7 pH and can be effectively used on most pH analyzers and controllers. Manual temperature compensation is recommended where required. The electrode is threaded with a 1" MNPT on both ends. The electrode can be installed into a pipe tee for in-line use, or on the end of a 1" FNPT submersion pipe.
The PHE-900 series electrodes are priced from $130.
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