Three-in-one conductivity test pen, water quality testing expert by your side. Test Items: TDS value test, conductivity test, temperature test. Main Features✅LCD Large Screen DisplayIntelligent data screen dual display, water quality results are easy to read. At the same time, TDS water quality/EC conductivity and temperature value are displayed with data retention function, which can easily cope with different environments. ✅High Probe Precision Press the switch and insert the test pen into the water to be tested. The lower the TDS value, the lower the total dissolved solids content of the water and the purer the water quality. Home Water Quality Test,TDS lt Value; 50, is an ideal drinking water. ✅Scope of application Applied in Water Treatment Industry, Drinking Water Industry, Family, Home Personal Travel, Field Work etc. as a tool for controlling the quality of drinking water. ✅°C/° f unit switch The instrument has the function of switching temperature units and Switching between Celsius and Fahrenheit is convenient For different groups of people to display the data. Guests also have at their disposal Automatic temperature compensation, which can ensure the accuracy of the data in case of temperature changes. ✅Small and convenientThis portable instrument is as light as a pen, which allows you to easily carry it in your pocket for measurement anytime, anywhere. Specifications Product weight70GPaggard Size(L x W x H)18 × 5 × 3cm / 7.1 × 2 × 1.2 inchesPackage ContentsWater Quality Detector × 1Battery3V Button Battery (CR2032)TDS Test Range0 - 9990US/CMTest Temperature Range0.1 °C - 80.0 °C WarrantyFast Shippinggt; Gt; All orders will be shipped within 1-7 business days! Quality Certificationgt; Gt; . Provide replacement or refund within 30 days. Original productgt; Gt; Original authentic. Provide 24-hour customer support. Safe and secure check-outgt; Gt; Secure encryption to keep your personal and financial information protected. NoteThe TDS pen cannot be used to measure high temperature water (for example, hot water)Due to manual measurement, please allow slight measurement deviations. Due to different display and lighting effects, the actual color of the item may be slightly different from the color displayed on the pictures.