Yellow, Portable Water Quality Tester

This dual-color smart backlit TDS water quality tester integrates TDS, EC (electrical conductivity), and temperature monitoring into a single device, specifically designed for reverse osmosis (RO) water purification systems and daily drinking water safety. Featuring a high-precision sensor chip, it responds rapidly to changes in water quality and displays clear, intuitive readings, allowing you to monitor the purity of your drinking water at any time.

Equipped with a smart dual-color backlit display, the device ensures readings are easy to read, even in low-light conditions. Its portable, pen-style design is compact and lightweight, making it convenient to carry without taking up space; it is suitable for a wide range of applications, including home drinking water, water purifier testing, and monitoring the quality of swimming pool or aquarium water.