What is TDS: Total dissolved solids are the total weight of all solids (minerals, salts, metals, etc) that is dissolved in a given volume of water, express in milligrams per liter (mg/L), or in parts per million (ppm). Use the TDS meter to: Check the performance of your water filter. Check the hardness. Make sure you always drink pure water. Hold function: Saves measurements for convenient reading Auto-off function: Turn off meter after 10 minutes of non-use to conserve batteries. Type: Water Quality Tester
Material: ABS
Colour: As Shown In The Picture Function: Measuring the water quality & temperature Measuring Range: 0-9990ppm Temperature Range: 0-80? Powered By: 2 x 1.5V LR44 Battery Cell (included) Accuracy: +/- 2%
Size: 156 x 30 x 20mm / 6.14 x 1.18 x 0.79inch Net Weight: 41g / 1.45oz Note: Do not drop the entire TDS meter in water beyond the maximum immersion level