Wetted Materials:304 SS.Housing Material:Series 300 SS.Lens:Glass.Accuracy:±1% FS.Response Time:≤40 s.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.