GOATACURA liquid filled pressure gauge for measuring the pressure during technology needing sanitary standard like brewing beer,wine,wort. Dial Size: 2.5" Pressure Range: 0-60psi, dual scale, clear reading Accuracy: +/-2-1-2%, comply with ANSI B40.1 (Grade A) standard, with accuracy test report Connection Location: Lower mount Connection: 1.5" Tri Clamp Bottom Mount Case: 304 stainless steel case Filling: Glycerin filled, enhance vibration and shock resistance, extend product life Dial: Aluminum, white Pointer: Aluminum, black Window: Polycarbonate Ingress Protection: IP67, waterproof Working Temperature: -4 to 140 deg F/-20 to 60 deg C Ambient Temperature: 140 deg F/60 deg C maximum