Portable water test pen for measuring the conductivity and hardness of natural water at home -

Fast and precise measurements: Simply open the portable conductivity meter (EC), immerse it approximately 2.5 cm into water, and instantly read the value on the large digital display – clear, easy to read, and reliable, even in varying lighting conditions. Intelligent self-calibration: No tools or manual adjustments required: The device calibrates itself automatically in 1 to 3 seconds, ensuring consistent and reproducible readings – ideal for monitoring the efficiency of your water filters and accurately determining when to change them. Ultra-portable and practical design: Compact and lightweight pen meter (approx. 170 g), including a robust storage case – easily fits in your pocket, backpack, or lab kit for on-site quality control, anytime, anywhere. Versatile application, specifically for French needs: Perfect for discerning individuals and professionals: Drinking water, private swimming pools, aquariums, urban hydroponics, light agricultural irrigation, or even laboratory analysis for hobbyists – meets the water safety requirements in France. Intuitive operation: Remove the protective cap, press the on/off switch, carefully immerse the electrode, stir gently, wait until the display stabilizes, and then press "HOLD" to save the measurement – no prior knowledge required. Technical specifications: Measuring range: 0–1999 µS/cm (resolution: 1 µS/cm); Accuracy: ±2% of full scale; Automatic temperature compensation: 0–50 °C; Housing material: Shock- and splash-proof ABS; Power supply: 4 x AG-13 button cell batteries (not included); Dimensions: approx. 175 mm; Net weight: approx. 170 g. Package contents: 1 x Conductivity meter (EC); 1 x Accessory (protective cap or additional electrode, depending on the model); 1 x User manual (French); 1 x Hard case. 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.