SITRANS P320 Pressure transmitter Gauge pressure HART (4...20 mA) Measuring cell filling: Silicone oil Maximum measuring span: 1000 mbar (14.5 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 2 x 1/2-14 NPT With display (lid with glass window) Cable gland and sealing plug attached, plastic Labeling type plate English – Pa Functional Safety (IEC 61508) - SIL2/3; Electrical equipment for furnaces and ancillary equipment (EN 50156-2) Ex plate made of stainless steel 1.4404/316L NEPSI (China) Mounting bracket, electrogalvanised steel