ORP Electrode Single-Junction/Submersible Testing Parameter ORP 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 Epoxy Diameter 12mm Length 130 mm Cable Length 3 ft Connector BNC Amplifier No Temp Sensor None Max Pressure Ambient For Use With OAKTON pH Meters Standards NIST or USA Shelf Life 6 mo Reference Combination Electrode Junction Single Electrolyte Redox