SITRANS P320 Pressure transmitter Gauge pressure HART (4...20 mA) Measuring cell filling: Silicone oil Maximum measuring span: 1000 mbar (14.5 psi) Front-flush diaphragm (options M-R) Sensor pressure: Process connection: Alloy C22/2.4602, Seal diaphragms: Alloy C276/2.4819; Sensor differential pressure: Process connection: Alloy C276/2.4819, Seal diaphragms: Alloy C276/2.4819, Process flange: Stainless steel 316/1.4408 Die-cast aluminum housing Dual chamber device no Ex 2 x M20 x 1.5 With display (lid with glass window)