地球科学前沿:英文版Ezekwe, I.C., Aisubeogun, O.A., Chima, G.N., Odubo, E., 2012. TDS-Eh graph analysis: a new water quality index and rural water supply implications of a river affected by mining in south-eastern Nigeria. Front. Earth Sci. 6 (1), 66e74....
SUNHO Model Number CM-230/TDS-230 Product name conductivity meter Model CM-230/TDS-230 Range 0~20/200/2000 μS/cm 0~20 mS/cm Accuracy 1.5%(FS) Temp.Comp Automatic temperature compensation Oper.Temp 0~50℃ Power supply AC 110V±10% 50/60Hz AC 220V±10% 50/60Hz ...