Hofun TDS Meter Digital Water Hardness Tester, TDS Temperature & Conductivity Meter 3in1, 0-9999 ppm, Hydroponics EC Meter, Digital Water Testers for Drinking Water, ppm Meter for Hydroponics Aquarium

CONCERNED ABOUT YOUR WATER QUALITY? Hofun TDS Water Quality Test Meter performs as a guard who helps monitor water quality to tell you whether the water meets standards of drinking, so that you have a clear mind of water status and take measures to guarantee water safety for your family. WHAT IS TDS AND WHY SHOULD YOU CARE? TDS = Total Dissolved Solids, which are the inorganic salts and organic matter in liquid. The lower the TDS level, the purer the water is. Conversely, higher TDS level indicates more particles dissolved in liquid. YOUR FIRST CHOICE: HOFUN TDS METER Hofun 3 in 1 TDS, Temp Red for TDS>40 * Auto-Off in 2 Minutes to conserve battery * A colorful TDS chart on the back to explains ppm readings SPECIFICATIONS * Measuring Range: TDS: 0 - 9990 ppm (parts per million) Conductivity: 0 - 9990µs/cm Temperature: 32.0 - 212°F (0 - 99°C) * Accuracy:±2% F.S * Size: 6.37 x 1.14 x 0.59 inches.