The SensoRex pH Electrode pH 16Y955 is a gel-filled combination pH electrode with a glass body and epoxy body gel filled reference. It has a 12 mm diameter pH bulb and internal temperature sensor. The electrode has a BNC connector and 1 m cable. It has a 3/4" NPT thread mounting and is suitable for water, wastewater and environmental water applications. The electrode has a pH range of 0-14 pH, temperature range of 0-80°C, and reference gel electrolyte of KCl.