... stainless steelCommunication interface: HART communication protocolProcess connection: WPRD201 (PP, PTFE antenna): G1-1/2 316L stainless steel RD202 (bar type ... flange DN50, DN80, DN100, DN150 RD203 (flared form antenna): flange DN50, DN80, DN100, DN150, DN200, DN250Power: 24VDC±2V, ripple ...