... steelLinerRubber, PTFE, PFA and so on.Electrode Material316,316L, Hb, Hc, titanium, tantalum, platinumiridium, etcGrounding electrode (ring) material316,316L, Hb ... , Hc, titanium, tantalum, platinumiridium, etc.Conductivity≥ 5μS/cmFluid temperature-40oC ~ + ...