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, in Hg, kg/sq cm, kPa, mBar, Mpa, psi, Process Connection Gender Male, Battery Type (2) AA Batteries, Process Connection Location Bottom