Ferent flow signal; 6. Inside have three counters, which can separately show positive cumulation, reverse cumulation and d-value Flow direction forward / reversed Electrodes material 316l / hastelloy c2, b4/tantalum/titanium/platinoiridita/others Liner material rubber /ptfe/pfa pfa ptfe Electrodes type standard Qty of electrodes 2 pairs ( one pair for measuring, one pair for grounding) 1 pair( for measuring) Measuring tube material 304 stainless steel Flange material carbon steel/304 stainless steel 304 stainless steel 304 stainless steel Installation type wafer/flange tri-clamp/screw flange/plug-in Protection level ip65/p68 ( remote version) Power 220vac ± 20% 60hz / 24 vdc Signal output 4~20ma Communication hart / modbus/ profibus Electrical connection 2* m20 * 1.5 Explosive-proof exdemib ii bt3~t6 Construction type compact / remote Operation environment environment temperature: -25 ° c~ + 60 ° c; relative humility: 5% ~90% Wooden box