Digital Test Pressure Gauge, Accuracy +/-0.25 Percent, Gauge Case Material Stainless Steel, Nominal Dial Size 3 in, Lens Material Polyester, IP/NEMA Rating IP65, Hazardous Location Rating Not Rated, Sensor Material Stainless Steel, Socket Material 316 Stainless Steel, Sensor Type Diaphragm, Process Connection Type NPT, Display Units bar, ft wc, kg/sq cm, kPa, mBar, Mpa, psi, Process Connection Gender Male, Battery Type (2) AA Batteries, Process Connection Location Bottom