Pressure Gauge Accuracy +/-0.50 Percent Gauge Case Material ABS Nominal Dial Size 3 in Lens Material Not Applicable IP/NEMA Rating NEMA 4X Hazardous Location Rating Not Applicable Compatible Process Media Brake Fluid Diesel Hydraulic Fluid Hydrogen Motor Oil Nitrogen and Air Salt Water Sea Water Waste Water Sensor Material 316L Stainless Steel Socket Material 304L Stainless Steel Sensor Type Diaphragm Process Connection Type NPT Display Units in Hg psi