HM DIGITAL TDS Meters TDS -3 Handheld Temperature TDS (PPM) Tester, 0-9990 ppm, 1 ppm Resolution, 2% Readout Accuracy Testing Water Quality For Hydroponics Aquariums Pools Drinking etc Visit the HM Digital Store 4.1 235 ratings -37% ₹949 A TDS Meter (Total Dissolved Solids Meter ) is a scientific instrument used to measure the amount of dissolved solids in liquids, usually in parts per million (ppm). IONIX TDS Meter for Water Testing, PH Meter for Water Testing, 3-in-1 Temperature/EC/ TDS Meter & PH Meter, Water TDS Meter , Water Testing Kit with Carrying case & Two Buffer Powder Tds Meter - Shop Tds Meter at India's Best Online Shopping Store. Check Price and Buy Online. Free Shipping Cash on Delivery Best Offers.