



💧 Stay ahead of water quality with precision you can trust!
The Sunleaves TDS Essential Digital Pen is a compact, high-precision tool designed to measure total dissolved solids in water from 0 to 9,990 ppm with 1 ppm resolution. Featuring a convenient data-hold function and backed by a one-year warranty, it’s the perfect device for professionals seeking reliable, on-the-spot water quality testing.
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