Professional TDS Tester Pen – Accurate & Portable Water Quality Analyzer
Precision-engineered with a high-sensitivity sensor for instant 0-9990ppm TDS readings, ensuring lab-grade accuracy (±2%). Features a durable ABS casing with corrosion-resistant electrodes for long-term reliability. Ultra-compact pocket design (15cm) with auto-lock function and clear LCD display—ideal for testing tap, filtered, or aquarium water at home, in labs, or outdoors. One-touch operation with low battery indicator. Includes a protective cap and lanyard for on-the-go use. Perfect for health-conscious households, hydroponics, and industrial applications. Bulk discounts available—wholesale pricing for global suppliers.