WIKA Process Gauge Model: 232.34 Specifications according to data sheet: APM 02.10 Case: Black Fiberglass Reinforced Thermoplastic (Pocan B4225) Bezel ring: Threaded, Black Fiberglass Reinforced Thermoplastic (Pocan B4225) Measuring System: Stainless Steel Case filling: without Nominal size: 4.5" Scale range: 0/100 psi Process Connection: 1/2 NPT Connector location: lower mount Window: acrylic (PMMA) Restrictor: stainless steel, D 0.6 Pointer: adjustable pointer Accuracy Class: +/- .5% (ASME B40.100 2A) Material pressure element: Measuring System 316L Case filling fluid: prepared for filling Ingress Protection: IP 65