Original Xiaomi MiJia Mi TDS Meter Tester Portable Detection Water Purity Quality Test EC TDS-3 Tester
Original Xiaomi Mi TDS Pen
Pen which can test the quality of the water, it also determines whether purification is required. Mi TDS Pen reacts to organic compounds, and heavy metals like nickel, chromium etc. and soluble salt content. The pen is IPX6 waterproof and has automatic temperature calibration and precision in measurement.