Spare pH electrode with cloth junction, for general purpose, field applications.Description spare electrode Reference single, Ag/AgCl Junction/Flow Rate cloth Electrolyte gel Max Pressure 0.1 bar Range pH: 0 to 13 Tip/Shape spheric (dia: 3.0 mm) TemperatureSensor no Amplifier no Body Material polypropylene Cable no Recommended Use general purpose, field applications Connection screw cap