Conductivity/TDS Cell Double Testing Parameter Conductivity TDS Measurement Range 19.99mS 99.9mg/L pH Range 0-14 Tip Shape Bulb Operating Temp Range 32 Degrees to 122 Degrees F Body Material Polycarbonate Diameter 16mm Length 38 mm Connector Proprietary Temp Sensor 0 Degrees to 65 Degrees C For Use With EC400 Conductivity Meter Shelf Life 1 yr Recommended Use Liquids Includes Cap Manufacturers Warranty Length 6 mo