... : stainless steel or steel 2.Window: glass or acrylic Pressure Gauge,tire pressure gauge,pressusre meter,gauge Key Specifications:Case material: stainless steel ... Dial range: 1.Low pressure: 1 to 70kg/cm2 2.Middle pressure: 100 to 250kg/cm2 3.High pressure: 280 to 700kg/cm2Vacuum ... : -20 to 60°C Customer's designs are acceptedLiquid Filled Pressure Gauge with High Case, 21/2, 4 and 6-inch ...