Process Compound Gauge, Nominal Dial Size 4 1/2 in, Accuracy +/-0.5 Percent, Gauge Case Material Aluminum, Process Connection Type NPT, Process Connection Gender Male, Lens Material Glass, Process Connection Size 1/2 in, Field Fillable Yes, Process Connection Location Bottom, Case Color Black, IP/NEMA Rating IP66, NEMA 4X, Primary Pressure Range 30 to 0 to 30, Dry Dampening Feature None, Vibration Resistance Liquid-Filled, Dial Color White, Pressure Gauge Type Process Pressure Gauge