... , Platinum-iridium alloy, Stainless steel-coated tungsten carbideElectrode TypeFixed type(DN150~DN2600); Blade type(DN300~DN1600)Flange MaterialSS, CSCommunicationRS485, RS232, HART, Profibus ... 85-265V, 45-63Hz, power≤20W; DC 11-40V; lithium battery(3.6V)AC 85-265V, 45-63Hz, power≤20W; DC ...