D8581 Digital Test Pressure Gauge Accuracy +/-0.05 Percent Gauge Case Material 304 Stainless Steel Nominal Dial Size 3 in Lens Material Polyester IP/NEMA Rating IP65 Hazardous Location Rating Not Rated Sensor Material 316 Stainless Steel Socket Material 316 Stainless Steel Sensor Type Silicone MEMS Process Connection Type NPT Display Units bar cm wc ft Sea Water in Hg in wc kg/sq cm KPa mBar mm Hg mm wc Mpa psi Process Connection Gender Male Battery Type (3) AAA Batteries