Online TDS Water Quality Meter – Single or Triple Line Digital 0-9990 PPM Tester for Aquarium Laboratory & RO Systems

Stay confident about your water conditions with fast, convenient readings available whenever you need them. Designed for continuous inline monitoring, this compact tester displays dissolved solids levels from a single or triple water line while advanced microprocessor technology supports reliable measurements. Its wide 0–9990 ppm range makes water quality monitoring simple across aquariums, laboratories, filtration setups, and RO systems. Quick-connect fittings allow straightforward installation, while automatic shutoff helps conserve battery power. Whether checking filtration performance or maintaining sensitive water environments, this tds meter delivers practical monitoring without complicated testing.

Key Features
• Monitors TDS levels across a single or triple water line for convenient inline testing.
• Measures from 0–9990 ppm with ±2% accuracy for dependable everyday monitoring.
• Quick-connect T-fitting helps provide fast, straightforward installation into compatible water lines.
• Auto-off activates after 10 minutes of inactivity to help extend battery life.

Why Choose Our Online TDS Water Quality Meter?
Unlike handheld testers that require collecting and testing individual water samples, this inline meter provides convenient monitoring directly from your connected water line. It comes factory calibrated using a 342 ppm NaCl solution and can be recalibrated when necessary. Long battery life, quick-connect installation, and single or triple line options make it a practical solution for ongoing water monitoring.

Perfect For
Ideal for aquarium owners, laboratories, reverse osmosis systems, water filtration setups, hydroponic applications, and users who need convenient inline TDS monitoring. It is especially useful for comparing water conditions across filtration stages and routinely checking dissolved solids levels.

Product Specifications
• Range: 0–9990 ppm
• Accuracy: ±2%
• Resolution: 1 ppm from 0–999 ppm; 10 ppm from 1000–9990 ppm
• Conversion Factor: NaCl, avg. 0.5
• Calibration: Factory calibrated at 342 ppm NaCl; recalibratable
• Cable Length: 24.5 in., including sensor
• Fitting Sizes: 1/4 in. standard; 3/8 in. or 1/2 in. options
• Power: 2 × 1.5V LR44 button batteries, included
• Battery Life: Approx. 1,000 hrs. continuous use
• Dimensions: 3 × 0.8 × 1.9 in
• Weight: 2.8 oz

Make routine water checks easier with the Online TDS Water Quality Meter. Add it to your aquarium, laboratory, RO, or filtration setup for convenient inline readings and dependable monitoring without repeatedly collecting water samples.