WELLON Digital TDS Meter for RO Water - Accurate TDS, Temperature & PPM Tester with LCD Display, Carry Case, pH Drops & Chart - Ideal for Home, Aquariums, Hydroponics & Water Filtration Systems

This is a digital TDS meter tester for testing the purity of waterThis item can be used in water purifiers and filters, food (vegetable, fruits) drink quality monitoring, pools, spas, aquariums and hydroponicThe product comes with Hold Function and a Built-in digital thermometer for temperature measurementIncludes a carrying case Wellon Digital LCD TDS Meter Waterfilter Tester Water filter Tester from Wellon The package includes 1 TDS meter tester, 2 1.5V button cell batteries along with 1 user manual and 1 leather case. Using the Waterfilter Tester Once the meter is on, the temperature function can be used at any time, in or out of liquid. You can press the TEMP button. The display will switch to temperature. To return to TDS mode, press the TEMP button. Precautions Do not dip the meter beyond the water level limit. Do not store the meter in high temperatures or direct sunlight. Do not attempt to open the housing or tinker with the electronics of the unit.