SITRANS P320 Pressure transmitter Differential pressure and flow PN160 HART (4...20 mA) Measuring cell filling: Silicone oil Maximum measuring span: 250 mbar (100.5 inH²O) Oval flange, fastening thread: 7/16-20 UNF (IEC 61518) Process connection: Stainless steel 316L/1.4404, Seal diaphragms: Stainless steel 316L/1.4404, Sensor differential pressure: Process flange: Stainless steel 316/1.4408 Die-cast aluminum housing Dual chamber device Intrinsic safety, Explosion proof 2 x 1/2-14 NPT With display (lid with glass window) Cable gland and sealing plug attached, stainless steel Labeling type plate German - bar CSA (USA & Canada)