Extech RE305:Exstik® Replacement ORP Electrode Module
Replacement flat surface electrode for ExStik® ORP meter
The Extech RE305 ORP ExStik® Electrode Module is an easy to clean, rugged flat surface ORP electrode that is interchangeable with ExStik® Chlorine or pH meters. It measures in liquids, semi solids and solids. The Extech RE305 ORP ExStik® Electrode Module comes complete with the protective connector cap.