... 2,widely used in chemical, biological, environmental E-LAB --Conductivity Sensor (digital lab equipment ) Description Range: 0~20mS/cm, 0 ... in chemical, biological, environmentaland many other fields. E-LAB --Conductivity Sensor (digital lab equipment ) usageBefore measuring , the constant marked on ... confirmed first,and type it into the software on the computer. While using it, pls rinse the pole with ...