SG200C pH Electrode Testing Parameter pH Measurement Range 0 - 14 pH pH Range 0 - 14 pH Tip Shape Round Operating Temp Range 0 Degrees to 100 Degrees C Body Material Glass Diameter 12mm Length 150 mm Cable Length 30 in Connector BNC Amplifier Can be used with PHAMP-1 Shelf Life 12 mo Reference Ag/AgCl Junction Single Electrolyte Sealed Recommended Use Laboratory Light Industrial Manufacturers Warranty Length 12 mo