measurement range:
conductivity: 0～20μScm-1 (K=0.01); 20～200μScm-1 (K=0.1);
200μScm-1～4mScm-1 (K=1.0); 4～20.0mScm-1 ; (K=10.0)
20～100.0mScm-1 ; (K=30.0)
temperature: －5～110℃;
resolution ratio: conductivity: 0.01μScm-1; 0.01 mScm-1 ; temperature: 0.1℃;
intrinsic error: conductivity: ±1.0%F S±1, temperature : ±0.5℃;
electronic unit automatic or manual temperature compensation: 0～110℃(reference temperature25℃);
electronic unit automatic temperature compensation error: ±0.5%FS;
electronic unit stability: ±0.2%FS±1/24h;
electronic unit repeatability error: ≤0.2%FS±1;
electronic unit alarm effor: ±1%FS;
electronic unit output current effor: ±1%FS;

WXZJ-DD20A conductivity meter is water quality online monitoring instrument with microprocessor. It is equipped with different types of conductivity electrode. It is widely applied in electric plant, petrochemical, metallurgy, paper industry, environmental friendly water treatment, light industry and electron industry, such as, cooling water, makeup water, saturated water, condensation water, ion exchange, reverse osmosis EDL.