Portable TDS LCD Digital ppm Water Quality Test Pen
Features:100% Brand new and high quality!TDS water quality test pen used to test the water TDS value, water conductivity, in order to judge the degree of pure water.With both test temperature and the environment is of the function of temperature.Products can be widely applied to water treatment industry, drinking water industry, family, individual staycation, field operation as drinking water quality inspection tools.Functions:Hold function: saves measurements for convenient reading and recording.Auto-off function: turn off meter after 10 minutes of non-use to conserve batteriesDual rangeUser Instruction:Remove the protective sleeve and turn on