G3998 Low Pressure Gauge Accuracy +/-2.5 Percent Gauge Case Material Steel Nominal Dial Size 2 1/2 in Lens Material Polycarbonate IP/NEMA Rating Not Rated Hazardous Location Rating Not Rated Sensor Material Copper Alloy Socket Material Copper Alloy HPb59-1 Sensor Type Diaphragm Process Connection Type NPT Process Connection Gender Male Process Connection Location Center Back Process Connection Size 1/4 in Panel-Mountable No Pressure Gauge Type Low Pressure Gauge