The Portable TDS Meter provides a fast, simple, and reliable way to measure Total Dissolved Solids (TDS) in water—helping you determine overall water purity and quality. TDS represents the total weight of dissolved solids in water, expressed in milligrams per liter (mg/L) or parts per million (PPM). This compact meter is ideal for aquariums, RO/DI water systems, pond keepers, hydroponics, drinking water testing, and laboratory use. With a measurement range of 0–9,990 PPM and an accuracy of ±2%, it gives clear, dependable readings in seconds. Powered by two button-cell batteries, this lightweight meter is small enough to carry in your pocket and easy to use wherever you need it. Specifications Range: 0–9,990 ppm Accuracy: ±2% Battery: 2 × 1.5V button cells Size: 140 × 23 × 15 mm Weight: 32 g
