K4520 Panel-Mount Pressure Gauge Nominal Dial Size 2 1/2 in Accuracy +/-2-1-2 Percent Gauge Case Material Steel Process Connection Type NPT Process Connection Gender Male Lens Material Acrylic Process Connection Size 1/4 in Field Fillable No For Panel Cut-Out Size 2.66 in Process Connection Location Center Back Case Color Black IP/NEMA Rating IP52 Primary Pressure Range 0 to 60 Dry Dampening Feature Flutterless Pointer with Dampened Movement