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). The meter facilitates the accurate readings of TDS total dissolved solids like inorganic salts & organic elements like calcium, magnesium, sodium, etc. The TDS pen is a battery-powered device it needs 2 batteries of LR44 (which are not included in the pack). True Water Tds water testing meter comes with an inbuilt digital LCD with proper graphics to symbolize every measured value which is easy to read and understand from the display screen. Hm Digital Tds -3 Tds Meter Original - Plastic, White : Amazon.in: Industrial & ScientificCurrently unavailable. We don't know when or if this item will be back in stock.
