Process Vacuum Gauge Nominal Dial Size 4 1/2 in Accuracy +/-0.5 Percent Gauge Case Material Phenolic Process Connection Type NPT Process Connection Gender Male Lens Material Polycarbonate Process Connection Size 1/4 in Field Fillable Yes Process Connection Location Bottom Case Color Black IP/NEMA Rating IP65 Primary Pressure Range 30 to 0 Dry Dampening Feature None Vibration Resistance Field-Fillable Dial Color Reflective White Pressure Gauge Type Process Pressure Gauge