About This

• [Real-Time Monitoring & Filter Tracker] Keep an eye on your water safety 24/7. This inline TDS meter continuously monitors total dissolved solids, making it the perfect indicator for when to replace your RO membrane or water filter cartridges before your water quality drops.
• [3-Color Indicator & Crystal LCD Screen] No more guessing numbers. The clear LCD display features a smart 3-color status indicator to check water quality at a glance: Green for pure water (0-50 ppm), Yellow for fair (51-300 ppm), and Red for high TDS (>300 ppm) that requires attention.
• [±2% High Accuracy Titanium Sensor] Equipped with an advanced microprocessor and a premium titanium alloy sensor probe, this water tester delivers fast, precise readings within 5 seconds. Get industrial-grade accuracy right in your home water systems.
• [1/4" Tool-Free Quick Installation] Designed for maximum convenience, it comes with standard 1/4-inch quick connect fittings on both ends. Just plug and play—seamlessly splices into your existing RO system lines, water purifiers, or ice makers without any tools.
• [Smart Energy Saving & Wide Application] Powered by an included long-lasting battery with an auto shut-off feature after 1 minute of inactivity to extend battery life. Ideal for residential RO systems, reef aquariums, hydroponics, swimming pools, spas, and well water.

Overview

• Package Dimensions ‏ : ‎ 2.76 x 1.57 x 1.57 inches; 1.45 ounces
• Item model number ‏ : ‎ HuiyeKT
• Batteries ‏ : ‎ 1 Lithium Metal batteries required. (included)
• Date First Available ‏ : ‎ August 18, 2026
• Manufacturer ‏ : ‎ HyVisTek
• ASIN ‏ : ‎ B0HFQFJRM6
• Best Sellers Rank: #149,016 in Pet Supplies (See Top 100 in Pet Supplies) #213 in Aquarium Test Kits
• #213 in Aquarium Test Kits
• Customer Reviews: 4.3 4.3 out of 5 stars (27)