SITRANS P320 Pressure transmitter Gauge pressure HART (4...20 mA) Measuring cell filling: Silicone oil Maximum measuring span: 16 bar (232 psi) Female thread 1/2-14 NPT Diaphragm: Stainless steel 316L/1.4404, measuring cell: 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, Dust ignition proof zone 21/22 (DIP), increased safety zone 2 2 x 1/2-14 NPT With display (lid with glass window) Labeling type plate English – Pa Ex plate made of stainless steel 1.4404/316L NEPSI (China) Mounting bracket, electrogalvanised steel