Key Features

• Quick TDS Readings in ppm - Check total dissolved solids in water with a clear digital display. The 0–9990 ppm range and ATC function help provide stable readings for daily home water testing.
• Useful for Water Filter Checks - Compare tap water, filtered water and RO water readings to monitor changes over time. A practical tool for checking filter performance and deciding when to review your filter routine.
• For Home and Hobby Use - Designed for drinking water reference checks, tap water, aquariums, pools, spas, hydroponics and other everyday water testing needs where ppm readings are useful.
• Simple One-Button Operation - Turn on the tester, dip the probe into water and read the ppm value. The HOLD button helps keep the reading on screen, making it easy to record or compare results.
• Compact Pen Tester with Batteries Included - Lightweight pen-style design is easy to store in a drawer, tool bag or travel kit. Includes button cell batteries for convenient first use. Keep batteries away from children.

Specifications