PRECISE MEASUREMENT: Digital TDS Meter with accurate and fast reading, measuring range of 0-9999ppm, accuracy: ± 2%, Degrees Celsius:0.1-80.0°C, F:32.0-176.0°F
MULTIFUNCTIONAL: Portable Water Quality Purity Tester Pen combine Read TDS, EC, Temperature 3 Levels. TDS Tester Meter include HOLD function that saves measurements for convenient reading and recording, automatic temperature compensation.
LOCK FUNCTIONAL: Press HOLD button, the product automatically locks the current measurement value for convenient reading and recording. Once again button, it will return to the measurement mode.
EASY USE: The TDS meter shuts off automatically after 5 minutes of non-use to saves battery life, and inclued waterproof material, small size, easy to carry.
QUALITY ASSURANCE: We can provide Lifetime Support Guarantee and 30-Day Money Back Guarantee. Have any questions, please contact me promptly.