Laboratory combination pH electrode with ceramic junction for beer, laboratory general purpose.Reference single, Ag/AgCl Junction/Flow Rate ceramic, single / 15-20 µL/h Electrolyte KCl 3.5M + AgCl Max Pressure 0.1 bar Range pH: 0 to 13 RecommendedOperating Temp. 20 to 40°C (68 to 104°F) Tip/Shape spheric (dia: 9.5 mm) Temperature Sensor no Amplifier no Body Material glass Cable coaxial; 1 m (3.3’) Connection BNC