WIKA 52962011 Type 612.20 - SS Case Pressure Gauges Model: 612.20 Specifications according to data sheet: APM 612.20 (APM 06.02) Measuring System: Copper Alloy Case: stainless steel Movement: copper alloy Bezel ring: cam ring (bayonet type), stainless steel Nominal size: 4" Unit: mbar Scale range: -100 mbar...0 mbar Process Connection: 1/2 NPT Connector location: lower mount Window: laminated safety glass Dial description: Pressure Gauge Standard: US-Standard color for 1.scale (outside): black dial background: White Manufacturer logo: *WIKA�* outside packages label: Wika USA inner packages label: Wika USA Customs tariff number: 9026208000