5 in 1 MODE: 5 in 1 tester, can accurately measure TDS, EC, SALT, SG, Temp value; Clearly know the water quality to ensure the health of your family members. HIGH PRECISION: With highly sensitive probe, you can quickly read the results; Wide measuring range and high resolution ensure it can measure different kinds of liquids AUTOMATIC TEMPERATURE COMPENSATION: With ATC function, the 5-in-1 meter solves the problem of inaccurate measurement caused by the change in temperature. Easy to get a reliable and stable reading EASY TO USE: After calibration, place the sensor in the solution you want to test and get the data immediately; Before another test, wash the probe well; Or you may get an inaccurate reading WIDE APPLICATION: The portable water quality tester can be taken anywhere to measure water quality, such as tap water, l RO system water, aquarium, sea water, swimming pool water.< /p>