The meter accurately measures flow rates from 0

Keep your pH probe hydrated at all times

Winemaking and viticulture

AA batteries

2 pH accuracy with two-point

HM Digital TRM-1 Triple Inline TDS Monitor - 3-Sensor Water Quality Meter 6-stage water filter The meter accurately measures flowThree sensor TDS monitor that is ideal for checking TDS levels at 3 points, such as with DI RO (deionization reverse osmosis), or multiple points in an RO system, and more. FEATURES Displays TDS levels of the three sensing points with electrode probes. Highly efficient and accurate due to its advanced microprocessor technology. Auto Off function conserves battery power. The unit shuts off automatically after 10 minutes of non use. Dual Range 0 9990