The Hach sensION+ 5050T (LZW5050T.97.002) Portable Combination pH Electrode is a combination pH electrode with a polycarbonate body, non-refillable gel-electrolyte reference and built-in temperature sensor. The 5050T has a fixed 1 meter cable and MP5 connector dedicated for use with Hach sensION+ Portable pH meters. The 5050T has a ceramic pin junction and is ideal for pH measurements in general aqueous applications.