A TDS (Total Dissolved Solids) meter is a portable water quality meter that detects the concentration of dissolved materials such as salts and minerals present in water, typically in parts per million (ppm). It indicates general water quality but not particular contaminants. Costs in India vary from ₹100 to ₹8,000+ based on accuracy and functionalities. join us https://pearlwater.in/industri....al-ro-spares/pearl-w