SITRANS P320 Pressure transmitter Differential pressure and flow PN160 HART (4...20 mA) Measuring cell filling: Silicone oil Maximum measuring span: 600 mbar (241.1 inH²O) Oval flange, fastening thread: M10 (PN160), M12 (PN420) 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, Dust ignition proof zone 21/22 (DIP), increased safety zone 2 2 x 1/2-14 NPT With display (lid with glass window) Cable gland and sealing plug attached, metal Labeling type plate English - psi Quality inspection certificate - 5 point factory calibration (IEC 60770-2) Inspection certificate (EN 10204-3.1) - material of pressure-containing and wetted parts Factory certificate (EN 10204-2.2) - wetted parts