CONDUCTIVITY PROBE Model : YK-200PCD * Plug in the YK-2001PH to be a professional Conductivity Meter. * Conductivity : 2/20 mS, 2 ranges * Temperature : 0 to 60.0 oC, 0.1oC/0.1oF. * ATC & variable temp. compensation factor adjustment (0 to 5.0% per oC).