Wetted Materials: 304 SS.Housing Material: Series 300 SS.Lens: Glass.Accuracy: ±1% FS.Temperature Limits: Head: 200°F (93°C); Stem: Not to exceed 50% over-range or 1000°F (538°C) or 800°F (427°C) continuously.Process Connection: 1/4" NPT on 2" dial size; 1/2" NPT on 3" or 5" dial size.Stem Diameter: 1/4" O.D.Immersion Depth: Minimum 2" in liquids, 4" in gas.Response Time: ≤40 seconds.