... gauge,pressusre meter 1.Case diameter: 40, 50, 63, 80 , 100mm 2.Connection: 1/2, 1/4, 1/8 , 3/8 ... Movement core: brass Case diameter: 40, 50, 63, 80 and 100mm Connection: 1/2, 1/4, 1/8 and 3/8 ... temperature: -20 to 60°C Customer's designs are acceptedStandard Dry Pressure Gauge with Acrylic Window and Brass Connection ...