High quality TDS Pen, perfect for use when remineralising RO/DI water.
This TDS test meter measures the Total Dissolved Solids (TDS) or dissolved minerals in water.
You will be able to quickly analyse if your water filter system water is pure. These test meters are capable of measuring the Total Dissolved Solids (TDS) of feed and product water lines concurrently. TDS test meters are an effective way to compare and contrast rejections levels and water filtration performance levels.