These small (6.5") hand held waterproof testers measure pH, conductivity and/or total dissolved solids (TDS) in solutions. All testers operate on four 1.5v batteries. The pHep 4 and pHep 5 models measure the pH of a solution. The features include dual level LCD, battery strength indicator, replaceable pH electrode cartridge, stability indicator, auto shut-off and auto calibration. The DIST 5 and DIST 6 models measure conductivity and TDS of a solution. The features include a replaceable graphite electrode, adjustable TDS ratio, auto temperature compensation, temperature (°F or °C), battery strength indicator, replaceable pH electrode cartridge, stability indicator, auto shut-off and auto calibration. The Combo models combine the features of the pHep 4, pHep 5, DIST 5 and DIST 6 models for greater measuring flexibility. Buffer solutions are sold separately (Contact Us).






Manufacturer: Hanna
SKU: HI98129