TDS test pen for home drinking water analysis – Accurate monitoring of drinking water – Battery not included

Precise measuring principle: This TDS meter measures the electrical conductivity of water, enabling an indirect determination of the total dissolved solids (TDS) content with high reliability and instant display. Comprehensive contaminant detection: It effectively identifies soluble salts, ionic organic compounds, heavy metal ions, and other dissolved contaminants – ideal for daily water quality monitoring at home or in professional settings. Convenient hold function: Simply pressing the HOLD button locks the displayed value – perfect for easily recording results or comparing multiple samples without data loss. Intelligent power-saving mode: The device automatically switches off after 5 minutes of inactivity, significantly extending battery life and ensuring long-lasting use. Versatile applications: Designed for a wide range of applications: aquariums, swimming pools, laboratories, schools, universities, food quality control, fish farming, beverage production, and much more. Wide measuring range: 0–9990 ppm with an accuracy of ±2% and a temperature range of 0–99°C, suitable for most home and professional environments. Ergonomic and portable design: Compact dimensions (approx. 15.5 × 3 × 1.8 cm) and light weight (approx. 70 g) ensure optimal handling and easy transport. Reliable power supply: Operates on 2 x 1.5V LR44 button cell batteries (not included), widely available and easily replaceable. Package contents: 1 × digital TDS meter, including a protective case for optimal probe protection. This product is sold by xiaosong on behalf of a third-party seller. It is a compatible product. Thank you for your understanding and support.