Electrode pH ORION IONPLUS CHLORIDE ELECTRODE WATERPROOF BNC Testing Parameter Chloride Measurement Range 1.8 to 35 000 ppm pH Range 0-14 Tip Shape Flat Operating Temp Range 0 Degrees to 80 Degrees C Body Material Epoxy Diameter 12mm Length 120 mm Cable Length 1 m Connector BNC Amplifier none Temp Sensor No Max Pressure Atmospheric For Use With Any ISE Meter with BNC Input Shelf Life 36 mo from manufacture Recommended Use All Includes Electrode and One Bottle Fill Solution