SPECIFICATIONS Wetted Materials: 304 SS. Housing Material: Series 300 SS. Lens: Glass. Accuracy: ±1% full scale. Temperature Limits: Head: 200°F (93°C). Stem: Not to exceed 50% overrange 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.