3-in-1 Digital Water Quality Tester, TDS, EC Meter and Temperature Meter - TDS Meter for Drinking Water, Hydroponics, Swimming Pools, Aquariums

【Three-in-One Testing Function】 With its advanced three-in-one probe (TDS, EC, temperature), this tester can detect not only TDS but also EC and temperature in water. The ppm meter has a range of 0 to 9990 ppm, and the temperature display supports two reading modes: Celsius and Fahrenheit.

【LCD Backlight】 The TDS water meter features low-power backlight technology for easy water testing at night or in dark areas. It can also be used to differentiate between potable and non-potable water. The red backlight (ppm > 40) reminds the user that the current water quality is not ideal, indicating that it is undrinkable. 【Simple and Convenient Operation】 Simply turn on the TDS water meter, gently stir the water, and the LCD screen will automatically lock after a few seconds. The TDS tester will automatically shut off if not used for 2 minutes to save battery power. 【Application】 Ideal for testing the quality of tap water, home water filtration equipment, aquariums, swimming pools, hydroponic silver, colloidal silver, field water quality testing, etc.