K4245 Digital Process Vacuum Gauge Accuracy +/-0.50 Percent Gauge Case Material Polycarbonate Nominal Dial Size 3 in IP/NEMA Rating NEMA 4X Hazardous Location Rating Class I Division 1 Groups A B C D Compatible Process Media Compatible Liquids and Combustible Gases Sensor Material 316L Stainless Steel Socket Material Stainless Steel Process Connection Type NPT Display Units bar in Hg kg/sq cm kPa mbar mm Hg oz/sq in psi Process Connection Gender Male