H4302 Digital Industrial Pressure Gauge Accuracy +/-1.00 Percent Gauge Case Material ABS Nominal Dial Size 2 1/2 in IP/NEMA Rating Not Rated Hazardous Location Rating Not Rated Compatible Process Media Air and Compatible Gases Sensor Material Silicone Socket Material 316L Stainless Steel Process Connection Type NPT Display Units bar cm wc ft wc in Hg in wc kg/sq cm kPa mbar mm Hg oz/sq in psig Process Connection Gender Male Battery Type 9V Battery