WIKA Model: 233.50 Specifications according to data sheet: PM 02.02 Measuring System: Stainless Steel Case filling: with Nominal size: 4" Scale range: 0/600 kPa Process Connection: 1/2 NPT Connector location: lower mount Window: laminated safety glass Pointer: adjustable pointer Accuracy Class: +/- 1% (ASME B40.100 Grade 1A) Case surface: bare case / polished ring Material pressure element: Measuring System 316L Case filling fluid: Glycerine Ingress Protection: IP 65 Permissible medium temperature: + 100 �C Permissible ambient temperature: -20 ... +60 �C Pressure Gauge Standard: US-Standard Manufacturer logo: *WIKA�* with Serial number ********10 WORKING DAYS ********