Water Quality Tester, Accurate TDS Meter EC Meter and Temperature Test Pen with Backlit LCD for Drinking Water, Hydroponics, Pools, Aquariums

General descriptionMulti-purpose water quality tester that combines a TDS meter, EC meter, and thermometer in one ergonomic pen. It is designed for accurate testing of drinking water, hydroponics, pools, and aquariums.Technical specificationsTDS: 0 - 9990 ppm (parts per million)Conductivity: 0 - 9990 μs/cmCelsius: 0.1 - 50.0 °CFahrenheit: 32.0 - 122.0 °FAccuracy: ±2% FSOperating environment: 0-50 °CSize: 16x3x2 cmUsageRemove the pen cover and turn on the ON switch.Submerge the pen into the test solution, ensuring the liquid does not exceed 4 cm in height.Shake the pen several times until the reading stabilizes.Dry the tip with a cloth and return the pen to its holder after use.Other informationFeatures intelligent backlight design, automatic locking function, large screen reading, and automatic temperature compensation.Includes a 2-minute automatic shutdown feature to save battery life.Delicate exposed sensing element allows for accurate measurements in 5 seconds.Compact and durable design for easy portability.