Replacement Electrode Testing Parameter pH pH Range 0 to 14 Tip Shape Bulb Operating Temp Range 32 Degrees to 122 Degrees F Body Material Polycarbonate Diameter 12mm Length 218 mm Cable Length 39 in Temp Sensor 0 Degrees to 99.9 Degrees C For Use With PH220 pH Meter Shelf Life 1 yr Electrolyte KCL Recommended Use Liquids Includes Electrode With 39 Inch Cable Manufacturers Warranty Length 6 mo