HM Dual Tds Meter Commercial

The DM-2 commercial-grade dual TDS monitor tracks water quality across your filtration system in real time, comparing feed and product water simultaneously. Built for demanding applications—RO systems, DI filtration, aquariums, and hydroponics—it delivers precision with a microprocessor-driven display, shielded cables, and diagnostic alerts. Factory calibrated to 342 ppm NaCl with individual recalibration capability per line, it measures 0–9990 ppm with ±2% accuracy. The rugged, water-resistant housing features an oversized LCD readout, 46-inch shielded sensor cables, and auto-shutoff to preserve battery life. Includes two 1/4-inch T-fittings and two AA batteries; alternative fitting sizes available. Ideal for aquarists and water treatment professionals who demand reliable, actionable data.