Electrode Testing Parameter pH pH Range 0 to 14 Tip Shape Flat Operating Temp Range 32 Degrees to 122 Degrees F Body Material PVC Diameter 16mm Length 106 mm Cable Length 39 in Connector BNC Temp Sensor 5 Degrees to 80 Degrees C For Use With Any pH Meter with BNC Input Shelf Life 1 yr Electrolyte KCL Recommended Use Liquids Semi-Solids Solids Manufacturers Warranty Length 6 mo