D8577 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