Replacement Electrode Single Testing Parameter Fluoride Measurement Range 0.1 to 10ppm Fluoride pH Range 0-14 Tip Shape Flat Operating Temp Range 32 Degrees to 122 Degrees F Body Material Polycarbonate Diameter 16mm Length 38 mm Connector Proprietary Temp Sensor 0 Degrees to 60 Degrees C For Use With Fl700 Fluoride Meter Standards EPA Method 340.2 Shelf Life 1 yr Recommended Use Water Includes Fluoride Electrode Manufacturers Warranty Length 6 mo