Replacement Electrode Sensor, Double Junction replacement probe, Testing Parameter pH, Measurement Range 0-14 pH, pH Range 0-14 pH Units, Tip Shape Round, Operating Temp. Range 0 Degrees to 80 Degrees C, Body Material ABS Plastic, Diameter 1 in, Length 130 mm, Cable Length Direct connect, Connector OAKTON Connector, Amplifier No, Temp. Sensor Yes, Max. Pressure Ambient, For Use With OAKTON Waterproof pHTestr 3, Standards NIST or USA, Shelf Life 6 mo, Reference Combination Electrode