D1021 Industrial Pressure Gauge Nominal Dial Size 2 1/2 in Accuracy +/-1.0 Percent Gauge Case Material 304 Stainless Steel Process Connection Type NPT Process Connection Gender Male Lens Material Polycarbonate Process Connection Size 1/4 in Field Fillable No Process Connection Location Lower Back Case Color Metallic IP/NEMA Rating IP54 (Plug Vented) IP65 (Plug Closed) NEMA 4 (Plug Closed) Primary Pressure Range 0 to 200 Dry Dampening Feature PLUS! Performance