5 IN 1 WATER QUALITY TEST Water quality tester designed in 5 in 1 format. pH, TDS, EC, ORP and temperature can be measured simultaneously with great accuracy. Omni-directional water quality measurement to ensure the health of water quality. AUTOMATIC CALIBRATION - The digital water pH meter uses an AUTOMATIC 3-point calibration method, calibrating the electrode on pH 4.00, pH 6.86 and pH 9.18 solutions to ensure the accuracy of your measurements. AUTOMATIC TEMPERATURE COMPENSATION - No need to pay attention to the test liquid temperature, the ppm meter can accurately determine the pH value of the sample in the temperature range of 0C to 60C (32F to 140F), to solve the inaccuracy problem caused by changing liquid temperature. AUTO POWER OFF FUNCTION & LARGE SCREEN DISPLAY - Auto power off function turns off the power after 5 minutes without any operation to save energy. Uses a fully transparent liquid crystal (LCD) to display 4-digit values and the corresponding physical quantity units. The green backlit LCD design ensures that you can read the measurement results under any conditions. VERSATILE TEST - The portable water quality tester can be carried anywhere to measure water quality. water, such as tap water, RO system water, aquarium, sea water, swimming pool water. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store