5 in 1 Water Quality TestThe PH meter is designed with 5 in 1 function, which can measure PH, TDS, EC, salinity and temperature simultaneously with great accuracy. Omnidirectional water quality measurement to ensure the health of water quality. Precise measurement: In order to achieve high accuracy, it is equipped with an alloy probe high quality titanium material and reliable automatic temperature compensation (ATC), which can ensure accurate reading at different temperatures. When the measured value is stable, long press the HOLD/TEMP button to lock the measured value and take it out to view, which is really easy. Auto-off function and large screenThe PH tester has a backlit LCD screen that allows you to see the measurement clearly In any case. The auto shut-off feature turns the device off after 5 minutes of inactivity to save energy. It uses a fully transparent Liquid Crystal Display (LCD) to display 4-digit values and their corresponding physical units of measurement. IP67 Waterproof RatingIP67 is an international certification for waterproofing water and dust. Protection against dust ingress, short-term immersion. Wide range of uses: This water quality detector is ideal for testing water, swimming pools, aquariums, spas, hydroponics, laboratory water and drinking water, etc. < /p>