Feature: <br>An ideal instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food, beverage etc. <br>3 in 1 multifunctional water tester, test the temperature, TDS and EC value of any liquids. <br>Large LCD display and lock function, easy to read and record the displayed value. <br> <br>Highly efficient and accurate due to its advanced microprocessor technology. <br> <br>Lightweight and portable design, convenient for indoor and outdoor use. <br> <br> <br>Speciation: <br>Material: ABS <br>Accuracy: ±2% <br>TDC testing range: 0-9990ppm <br> <br>EC testing range: 0-9990us/cm <br>Temperature testing range: 0°C~80°C <br> <br>Battery: 1pc CR2032 button battery(Not included) <br>Size: 15.4*3*1.4cm / 5.9*1.2*0.6inch (Approx.) <br> <br> <br>How to use: <br>Remove the electrode protecting cover before using. <br>Switch on and put the electrode into the tested liquid. <br>Read and record the displayed value. <br>Switch off, clean and dry the meter and replace the protecting cover. <br> <br> <br>Package list: <br>1 * Water TDS Meter <br> <br>1 * User manual<br>1、An ideal instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food, beverage etc. <br>2、3 in 1 multifunctional water tester, test the temperature, TDS and EC value of any liquids. <br>3、Large LCD display and lock function, easy to read and record the displayed value. <br>4、Highly efficient and accurate due to its advanced microprocessor technology. <br>5、Lightweight and portable design, convenient for indoor and outdoor use.