SM1 TRM1 Online TDS Water Quality Monitor with Single or Triple Sensors

Monitor water purity directly within your filtration system using this online TDS meter. Choose the SM1 single-sensor model for one monitoring point or the TRM1 triple-sensor version for checking three stages of water treatment. The TDS water quality tester measures from 0 to 9990 PPM with ±2% stated accuracy for convenient routine monitoring. Its compact LCD design makes it especially useful for RO, DI, aquarium, and drinking water systems.

Key Features

• TRM1 triple TDS meter monitors up to three separate points in a filtration system.
• SM1 version provides convenient single-point TDS monitoring.
• Wide 0-9990 PPM measurement range.
• Resolution of 1 PPM from 0-999 and 10 PPM from 1000-9990.
• Factory calibrated using a 342 PPM NaCl solution and supports recalibration.
• Auto-off after 10 minutes helps conserve battery power.

Why Choose Our SM1 TRM1 Online TDS Water Quality Monitor

Unlike handheld testers that require collecting individual samples, this inline TDS monitor installs directly into compatible water lines for quick checks whenever needed. The TRM1 option is particularly useful for comparing multiple filtration stages and monitoring RO or DI system performance.

Perfect For

• Reverse osmosis systems
• DI filtration systems
• Aquariums and fish tanks
• Drinking water filtration
• Hydroponic systems
• Multi-stage water purification

Monitor Water Purity with Ease

Keep important TDS readings within easy reach with a compact monitor designed for convenient water filtration checks.