PureTrack SM1/TRM1 Online TDS Meter for RO Water Monitoring

See how well your filtration system is performing at a glance. PureTrack is an online TDS meter that monitors total dissolved solids from 0–9990 ppm. Choose the SM1 single-sensor model for one testing point or the TRM1 triple-sensor model for comparing three stages. This water quality tester features a backlit LCD and battery-powered design for convenient installed monitoring.

Key Features

• Measures TDS across a wide 0–9990 ppm range.
• SM1 monitors one point; TRM1 checks up to three points.
• Backlit LCD keeps readings clear in dim areas.
• TRM1 includes automatic shutoff to conserve battery power.
• Factory calibrated and adjustable when recalibration is needed.

Why Choose Our PureTrack Meter

Handheld testers require repeated sampling. This inline TDS monitor stays connected to compatible water lines, making filter checks faster and more consistent. The TRM1 option also lets you compare multiple filtration stages from one display.

Perfect For

Ideal for RO and RO/DI systems, drinking-water filters, aquariums, hydroponics, laboratories, and water-treatment setups.

Product Specs

Range: 0–9990 ppm. TRM1 accuracy: ±2%. Standard TRM1 fittings: 1/4 inch; confirm the selected variant and fitting size before ordering. Measures TDS only, not pH.

Monitor Every Drop More Easily

Choose PureTrack for quick filter-performance checks and greater confidence in your water system.