HM Digital TRM-1 Inline 3 Probe TDS Meter with 0.25" Quick-Connect Fittings -MTR-TDS-TRM1-4

HM Digital TRM-1 inline 3-probe TDS meter. Adds a third probe so you can watch feed, post-membrane, and post-DI all at once — the right tool for full RO-DI builds where you want to spot whether the membrane or the DI is the next thing to change.

Features

• 3 probes — feed, RO permeate, and DI output
• Toggles between readings with one button
• 1/4" quick-connect fittings included

Specs

• Range: 0–9999 ppm
• Accuracy: ±2%
• Power: battery
• Includes: meter, three probes, 1/4" QC fittings

Related products

• Dual-probe: HM Digital DM-1 · DM-2 Deluxe

Questions about filters, production rates, or membranes? Visit our Know Your Filters page or contact us.