Digital Test Pressure Gauge, Accuracy +/-0.25 Percent, Gauge Case Material ABS Polycarbonate, Nominal Dial Size 2 1/2 in, Lens Material Polycarbonate, IP/NEMA Rating IP67, Hazardous Location Rating Not Rated, Compatible Process Media Wide Variety of Pressure Media, Sensor Material 17-4 Stainless Steel, Socket Material 316L Stainless Steel, Sensor Type CVD Strain Gauge, Process Connection Type NPT, Display Units bar, cm Hg, ft wc, in Hg, kg/sq cm, kPa, mm Hg, Mpa, psi WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -