TDS-3 Drinking Water Quality Tester Digital Temperature PPM Pen Analyzer for Drinking Water, Hydroponics, Aquariums, Swimming Pools and Spas

General Description The TDS-3 tester is an essential digital tool for assessing drinking water quality. It measures the total dissolved solids (TDS) in water, thus indicating its purity. With a measuring range of 0 to 9990 ppm and an accuracy of 1 ppm, this device is ideal for use in various fields such as water filtration, hydroponics, aquariums, swimming pools, and spas. Technical Specifications Measuring Range: 0-9990 ppm Accuracy: +/- 2% Dimensions: 14.2 cm (L) × 2.3 cm (W) × 1.3 cm (D) Temperature Range: 31 to 200 °F (0 to 93.3 °C) Installation Step 1: Remove the protective cover. Step 2: Turn on the TDS meter. Step 3: Immerse the device in water up to the maximum immersion level (do not exceed 4 cm from the tip of the pen). Step 4: The TDS value will be displayed on the screen for 10 to 30 seconds. Step 5: Press and hold the hold button to lock the value, then wipe off any remaining water and recap the pen. Use: The TDS-3 tester is designed for quick water quality testing. The lower the TDS level, the purer the water, with 0 ppm representing pure water. It is particularly useful for: Testing drinking water; Evaluating water filtration and purification; Monitoring nutrients in hydroponics; Monitoring water quality in aquariums; Using in RO/DI systems, swimming pools, and spas. Other information: Automatic shut-off function after 10 minutes of inactivity to extend battery life. Comes with a leather carrying case and a clip for easy transport. Caution: Avoid shocks, strong pressure, and drops of the device. Do not expose the TDS to sunlight or high temperatures.