Pressure Gauge, Accuracy 3-2-3 Percent, Process Connection Type NPT, Process Connection Gender Male, Lens Material Plastic, Process Connection Size 1/4 in, Field Fillable No, Process Connection Location Center Back, Case Color Black, Dial Color White, Pressure Gauge Type Industrial Pressure Gauge, Liquid-Filled Case No, Socket Material Copper Alloy, Sensor Material Copper Alloy, Accuracy Grade ASME B40.100 Grade B, Series SEP 100, Primary Scale Units psi