Description: 3 in 1 TDS, Electric Temperature & Conductivity Meter features the most advanced and updated technology. With titanium alloy probe,The water measurement accuracy is high, avoiding the interference of the magnetic field in the water, and the chip with automatic temperature compensation ensures the reading accuracy and the error is controlled at 10%. The measuring range of TDS is 0-9990 ppm with accuracy of ± 2%, EC range is 0-9999 μs/cm and temp range is 32.0-176°F (0-80.0°C). Data Hold Function: Holds measurement value when moving out of water for convenient reading and recording Auto-off Function: Shuts off automatically after 10 minutes of non-use to conserve batteries Portable Design: Lightweight, handheld design for portability and convenience Specification: Measuring range: 0-9990ppm Accuracy: ± 2% Batteries: 2x 1.5V LR44 button cells Auto shut-off: 10 minutes ATC(Automatic Temperature Compensation) Dimensions: 15.2 x 3 x 1.4cm / 6 x 1.18 x 0.55 Inch Package Includes: 1 Piece Water Quality Tester 1 Piece User Manual 1 Piece Leather Bag