Digital Test Compound Gauge, Accuracy +/- 0.05 Percent, Gauge Case Material Cast Zinc Aluminum, Nominal Dial Size 3 3/4 in, Lens Material Not Applicable, IP/NEMA Rating IP67, Hazardous Location Rating Not Rated, Compatible Process Media Any Clean Dry Non-Corrosive Gas, Any Liquids or Gases Compatible With 316 Stainless Steel, Any Non-Flammable, Non-Toxic, Non-Explosive, Non-Oxidizing Liquid or Gas Compatible With 316 Stainless Steel, Sensor Material Silicon Substrate. This item has been restricted from sale in the following state (s): []