strongWika Bourdon Tube Pressure Gauges, Stainless Steel Series. Model: 131.11. Case: stainless steel. Movement: stainless steel. Measuring system: stainless steel. Nominal size: 050 mm. Measuring range: gauge pressure range. Scale range: 0...100 psi. Process connection: 1/4 MNPT ( Male ) - with SS316L adaptor to change it to FNPT. Connector location: center back mount. Bezel ring: stainless steel. Window: laminated safety glass. Accuracy class: class 2.5. Case type: standard. Case surface: bare. Ingress protection: IP 54. Permissible ambient temperature: -40 hellip +60 degC. Packaging: series-packing. Pressure Gauge Standard: International (standard Europe). Manufacturer logo: WIKA. serial number on dial: Serial number .... stop pin on dial: at zero. Link to product details. https://en-co.wika.de/131_11_en_co.WIKA/strong/p strongc/w Adaptor SS316L 1/4 NPTF x 1/4 NPTM/strong/p