High-Accuracy Digital pH & TDS Meter Pen – Portable Water Quality Tester (White)

This portable digital meter is designed to measure both pH levels and total dissolved solids (TDS) in water with high accuracy. Featuring a pen-style design, it is easy to handle, carry, and store, making it ideal for testing drinking water, aquariums, pools, hydroponics, and other water systems. The clear digital display allows for quick and precise readings, while the user-friendly operation ensures convenient testing for both beginners and professionals. Built for reliability and consistency, this compact tester is a practical tool for monitoring water quality anytime, anywhere.