About This

• [Accurate PPM Measurement] This inline TDS meter uses an advanced microprocessor with a alloy probe to deliver precise readings within ±2 percent, measuring total dissolved solids from 0 to 9990 ppm. Get reliable results for testing water purity in your RO system, aquarium, or hydroponic setup.
• [Large LED Display] The digital water tester features a bright LED screen that shows real-time PPM levels clearly, so you can monitor TDS changes at a glance. The high-sensitivity sensor tracks water quality continuously, helping you stay on top of filter performance and water conditions.
• [Easy Inline Installation] Equipped with two 1/4 inch quick connect fittings, this water quality monitor installs directly into your existing water line without tools. Its compact, lightweight body fits neatly under sinks, behind refrigerators, or beside aquariums, making setup effortless in kitchens, bathrooms, and living areas.
• [Auto Shutoff for Battery Savings] Press the ON/OFF button to start a reading, and the TDS meter completes a measurement in just 5 seconds, then off automatically after 1 minute of inactivity. This smart power management extends battery life, so you can rely on a single battery (not included) for longer periods.
• [Versatile Water Quality Tester] Use this PPM meter to verify drinking water safety, monitor reverse osmosis and deionization systems, and know exactly when to replace filters. It also works for maintaining fish tanks, balancing hydroponic nutrients, and checking well water, pools, hot tubs, and tap water.