pH Electrode Testing Parameter pH Measurement Range 0-14 pH Tip Shape Round Operating Temp Range 0 Degrees to 80 Degrees C Body Material Epoxy Diameter 12mm Length 130 mm Cable Length 3 ft Connector OAKTON Connector Amplifier No Temp Sensor Yes Max Pressure Ambient For Use With OAKTON Waterproof pH/Conductivity/Deg C/Deg F Meter Standards NIST or USA Shelf Life 6 mo Junction Double Electrolyte Redox Recommended Use Dissolved Oxygen Measurments Includes Electrode