Digital Handheld pH meter -Ideal for home pools - Ideal for industrial use great tool for safety identification of unknown fluids - Can be used for almost any other purpose where pH measurement is needed - Very accurate - ATC (automatic temperature compensation) - Step-by-step user manual Technical Features Measurement range: 0-14 pH Accuracy: +/- 0,01 ATC range 0-50ºC (32-122ºF) Dimensions: 150 x 27 x 20 mm Weight: 46 gr.