Multifunctional Pen-Type TDS Tester – Overview This multifunctional water quality detection pen detects the TDS value (total dissolved solids, unit is ppm) and conductivity value (the conductivity of the solution, unit is us/cm) of water. It has a measuring range of 0~9999ppm,0-9999us/cm. It measures the purity of the water, as well as the water temperature and the environmental temperature. It is suitable for use in the water treatment industry, residences and outdoors. Multifunctional Pen-Type TDS Tester – Features Light and handy Wide measurement range Long battery life Easy to clean Quick measurement Large LCD screen
