H8404 Industrial Compound Gauge Nominal Dial Size 4 in Accuracy +/-1.0 Percent Gauge Case Material Stainless Steel Process Connection Type NPT Process Connection Gender Male Lens Material Polycarbonate Process Connection Size 1/2 in Field Fillable No Process Connection Location Bottom Case Color Metallic IP/NEMA Rating Not Rated Primary Pressure Range 30 to 0 to 30 Dry Dampening Feature None Vibration Resistance Liquid-Filled Dial Color White