strongWika Bourdon Tube Pressure Gauges,. Stainless Steel Series. Model: 233.50. Measuring system: stainless steel. Case filling: with. Nominal size: 063 mm. Scale range: 0...100 psi. 2nd Scale or Special Scale: 2nd scale bar. Process connection: 1/4 NPT. Connector location: lower mount. Mounting flange/bracket: front flange, polished SS. Window: polycarbonate. Pointer: standard pointer. Accuracy class: class 1.6. Overpressure safe: standard. Case material: Stainless steel 1.4301. Case surface: bare. Material pressure element: Measuring System 316 SS. Case filling fluid: glycerine. Ingress protection: IP 65. Permissible medium temperature: + 100 degC. Permissible ambient temperature: -20 ... +60 degC. Movement: stainless steel. Packaging: single packing. Pressure Gauge Standard: International (standard Europe). color for 2.scale (inside): red RAL 3020. Manufacturer logo: WIKA. with Serial number. stop pin on dial: at zero/strong/p strongLink to product details. https://en-co.wika.de/232_50_233_50_en_co.WIKA/strong/p