HM Digital DM-1 Dual TDS Meter
Digital device uses electrode probes to monitor input TDS and output TDS in your RO unit or other water purification system to determine when filter cartridges need replaced. Advanced micro-processor takes accurate readings. Factory calibrated for ultimate performance. Installs quickly and easy with quick connect T-fittings.
Filed under: aquarium and pet supplies on November 14th, 2008