5-in-1 water quality measuring instrument: This water quality tester designed in 5-in-1 format. PH, TDS, EC, ORP, and temperature can be measured simultaneously with high precision. Omni-directional measurement of water quality to ensure the health of water quality. Multipurpose test: Portable PH meters can be carried anywhere to measure water quality such as tap water, RO system water, aquarium, seawater and pool water. Automatic power-off function & large screen display: The automatic power-off f

Fast and Accurate Readings:Just turn it on, dip in liquid and read display,no need to work with color charts or test strips;Large digital display makes it easy to read. Automatic Calibration:No need any adjustment screwdrivers, just finish the calibration with Auto calibration button and included buffer powders. ATC Function: Automatic Temperature Compensation accounts for changes in temperature automatically. Portable design: Handheld pen style and compact carrying case makes it conveniently fits