... determine the conductance of the target medium, which can detect on line the industrial acids, alkalis, salt content in water for the ... % ~ 15% HCL, H2SO4, HNO3, NaOH etc.AccuracyClass 2.5Load Characteristics0-1000Ω when 0-10mA0-500Ω when 4-20mAElectric characteristics2-wire, 3 ... )Medium temperature-10 ~ 100 °CAmbient temperature-10 ~ 55 °CHumidity≤ 95% on line (densitometer)