The ENVP ORP electrode is an economical single junction combination electrode ideal for your general-purpose applications in the lab or field. It has the impact-resistant qualities of an epoxy body.
The electrode uses a Teflon diaphragm with a large Pt ring section and provides a fast, stable response. The sealed, gel-filled design requires virtually no maintenance as there is no need to refill the KCL solution.
The 3555 measures 120 mm (length) x 12 mm (diameter), can withstand temperatures to 80°C and measures ORP levels from -1500 to +1500mv and comes with 1m Cable