These LabGenius Waterproof Testers are IP57 waterproof rated and available for either pH, pH w/ ATC, or EC measurements. The large LCD display makes it easy to read in any environment. 1 or 2 point (pH models only) calibration via screw with included calibration screwdriver (in meter). Meter is only 6.7 x 1.3" and weighs 3 oz.
Each unit includes pH electrode, standard solution, calibration screwdriver (in meter), batteries, and instruction manual.