Omega Engineering PX309-200GI - Stainless Steel Pressure Transducer, General Purpose, Gauge, 0 psi to 200 psi, +/- 0.25 %, 1/4" NPT Male, Current, 4 mA to 20 mA, Cable, -40 C to 85 C (-40 F to 185 F), PX309 Series
PX309 Series Stainless Steel Pressure transducers below 100 psi use a high accuracy silicon sensor protected by an oil-filled stainless steel diaphragm. Units 100 psi and above use silicon strain gages molecularly bonded to the stainless steel diaphragm.